Docker Compose MySQL8 Volume Names

Created at 2025-08-05 02:11:47 UTC

@ 2025-08-05 02:11:47 UTC

I have a docker compose that has a mysql8 service. I never provided volumes for it. What are the volumes it creates on its own called

When you run a MySQL 8 container without explicitly defining volumes, Docker automatically creates anonymous volumes for the container’s data directories.

Default Anonymous Volumes

MySQL 8 Docker image creates anonymous volumes for:

  • /var/lib/mysql - Main data directory containing databases, tables, and MySQL system files

Finding the Anonymous Volumes

To see the anonymous volumes Docker created:

docker volume ls

Look for volumes with random hash names like:

local     a1b2c3d4e5f6...
local     f6e5d4c3b2a1...

Identifying MySQL-Specific Volumes

To find which anonymous volume belongs to your MySQL container:

docker inspect <mysql_container_name> | grep -A 10 "Mounts"

This shows the volume mount points and their corresponding anonymous volume names.

Important Notes

  • Data persistence: Anonymous volumes persist even after container removal
  • Cleanup: Use docker volume prune to remove unused anonymous volumes
  • Best practice: Always define named volumes in production for easier management

The anonymous volumes will have names like docker_volume_<random_hash> and can be found in Docker’s volume directory (typically /var/lib/docker/volumes/ on Linux).

@ 2025-08-05 02:12:14 UTC

ok could I rename them to be something permanent and apart of the docker compose file

Yes, you can convert anonymous volumes to named volumes in your docker-compose file. Here’s how:

Method 1: Add Named Volume to Existing Setup

  1. Stop your containers:
docker-compose down
  1. Copy data from anonymous volume to named volume:
# Find the anonymous volume name
docker volume ls
 
# Create a temporary container to copy data
docker run --rm -v <anonymous_volume_name>:/source -v mysql_data:/dest alpine sh -c "cp -a /source/. /dest/"
  1. Update your docker-compose.yml:
version: '3.8'
services:
  mysql8:
    image: mysql:8
    volumes:
      - mysql_data:/var/lib/mysql
    # your other mysql config...
 
volumes:
  mysql_data:

Method 2: Direct Migration (Simpler)

If you don’t mind recreating the database:

version: '3.8'
services:
  mysql8:
    image: mysql:8
    volumes:
      - mysql_data:/var/lib/mysql
    environment:
      MYSQL_ROOT_PASSWORD: your_password
      # other env vars...
 
volumes:
  mysql_data:

Then run:

docker-compose up -d

Method 3: Preserve Existing Data

If you need to keep existing data:

  1. Backup your database first:
docker exec <mysql_container> mysqldump -u root -p --all-databases > backup.sql
  1. Update compose file (as shown above)

  2. Restore data:

docker exec -i <new_mysql_container> mysql -u root -p < backup.sql

The named volume mysql_data will now be permanent and managed through your docker-compose file.

@ 2025-08-05 02:12:38 UTC

the database must be maintained

Here’s how to migrate your existing MySQL data to a named volume without losing anything:

Step 1: Identify Current Anonymous Volume

# Find your MySQL container
docker ps
 
# Get the anonymous volume name
docker inspect <mysql_container_name> | grep -A 5 "Mounts"

Note the volume name (looks like a1b2c3d4e5f6...)

Step 2: Stop Container (Keep Volume)

docker-compose stop mysql8
# Don't use 'down' - this keeps the anonymous volume

Step 3: Copy Data to Named Volume

# Create the named volume and copy data
docker run --rm \
  -v <anonymous_volume_name>:/source \
  -v mysql_data:/dest \
  alpine sh -c "cp -a /source/. /dest/ && chown -R 999:999 /dest"

Step 4: Update docker-compose.yml

version: '3.8'
services:
  mysql8:
    image: mysql:8
    volumes:
      - mysql_data:/var/lib/mysql
    # keep all your existing environment variables and config
 
volumes:
  mysql_data:

Step 5: Start with Named Volume

docker-compose up -d mysql8

Verify Data Integrity

# Check databases are intact
docker exec -it <mysql_container> mysql -u root -p -e "SHOW DATABASES;"

Cleanup (After Verification)

# Remove the old anonymous volume
docker volume rm <anonymous_volume_name>

Your database will be preserved and now managed through the named volume mysql_data.

@ 2025-08-05 02:15:56 UTC

ok we need to do better. I’m reloading a backup of the whole server from fresh. We need to make sure we transfer all of the data

Thinking

The user is reloading a backup of the whole server from fresh and wants to ensure all MySQL data is transferred properly. This is a more serious situation where they need a comprehensive approach to preserve all database data. I need to provide a thorough, step-by-step process that covers all aspects of data preservation.

Here’s a comprehensive approach to preserve all MySQL data when migrating from anonymous to named volumes:

Step 1: Document Current Setup

# Get container name and anonymous volume
docker ps | grep mysql
docker inspect <mysql_container_name> | grep -A 20 "Mounts" > mysql_volume_info.txt
 
# Save current docker-compose.yml
cp docker-compose.yml docker-compose.yml.backup

Step 2: Full Database Backup (Multiple Methods)

Method A: SQL Dump

# Dump all databases including system databases
docker exec <mysql_container> mysqldump -u root -p \
  --all-databases \
  --single-transaction \
  --routines \
  --triggers \
  --events \
  --flush-logs \
  --master-data=2 > full_mysql_backup.sql

Method B: Physical Volume Backup

# Stop container to ensure consistency
docker-compose stop mysql8
 
# Backup entire volume directory
docker run --rm \
  -v <anonymous_volume_name>:/source \
  -v $(pwd):/backup \
  alpine tar -czf /backup/mysql_volume_backup.tar.gz -C /source .

Step 3: Update docker-compose.yml

version: '3.8'
services:
  mysql8:
    image: mysql:8
    volumes:
      - mysql_data:/var/lib/mysql
    environment:
      # Keep all existing environment variables
      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
    # Keep all existing configuration
 
volumes:
  mysql_data:
    name: mysql_data  # Explicit name for clarity

Step 4: Restore Data to Named Volume

Option 1: Direct Volume Copy

# Create named volume and restore
docker volume create mysql_data
 
docker run --rm \
  -v mysql_data:/dest \
  -v $(pwd):/backup \
  alpine sh -c "tar -xzf /backup/mysql_volume_backup.tar.gz -C /dest && chown -R 999:999 /dest"

Option 2: SQL Restore

# Start new container
docker-compose up -d mysql8
 
# Wait for MySQL to be ready
docker exec <mysql_container> mysqladmin -u root -p ping --wait=30
 
# Restore database
docker exec -i <mysql_container> mysql -u root -p < full_mysql_backup.sql

Step 5: Verification Checklist

# 1. Check databases
docker exec <mysql_container> mysql -u root -p -e "SHOW DATABASES;"
 
# 2. Check table counts
docker exec <mysql_container> mysql -u root -p -e "
SELECT table_schema, COUNT(*) as table_count 
FROM information_schema.tables 
GROUP BY table_schema;"
 
# 3. Check data size
docker exec <mysql_container> mysql -u root -p -e "
SELECT table_schema AS 'Database', 
ROUND(SUM(data_length + index_length) / 1024 / 1024, 2) AS 'Size (MB)' 
FROM information_schema.tables 
GROUP BY table_schema;"
 
# 4. Test specific critical tables
docker exec <mysql_container> mysql -u root -p -e "
SELECT COUNT(*) FROM your_database.important_table;"

Step 6: Create Recovery Script

Save this as mysql_recovery.sh:

#!/bin/bash
# MySQL Data Recovery Script
 
echo "MySQL Data Recovery Process"
echo "=========================="
 
# Variables
CONTAINER_NAME="your_mysql_container"
BACKUP_DIR="./mysql_backups"
TIMESTAMP=$(date +%Y%m%d_%H%M%S)
 
# Create backup directory
mkdir -p $BACKUP_DIR
 
# Backup current state
echo "1. Creating safety backup..."
docker exec $CONTAINER_NAME mysqldump -u root -p \
  --all-databases \
  --single-transaction \
  --routines \
  --triggers \
  --events > $BACKUP_DIR/mysql_backup_$TIMESTAMP.sql
 
echo "2. Backup complete: $BACKUP_DIR/mysql_backup_$TIMESTAMP.sql"
echo "3. File size: $(du -h $BACKUP_DIR/mysql_backup_$TIMESTAMP.sql | cut -f1)"
 
# Verify backup
echo "4. Verifying backup integrity..."
if grep -q "Dump completed" $BACKUP_DIR/mysql_backup_$TIMESTAMP.sql; then
    echo "   ✓ Backup verified"
else
    echo "   ✗ Backup may be incomplete!"
    exit 1
fi

Critical Notes

  • Always verify backups before removing anonymous volumes
  • Keep multiple backup copies in different locations
  • Test restoration on a separate instance first
  • Document any custom MySQL configurations that need to be preserved

This ensures complete data preservation during the migration.

@ 2025-08-05 02:18:58 UTC

Here is my current docker-compose

version: ‘3.1’

services:

ghost: image: ghost:6-alpine restart: always ports: - 80:2368 environment: # see https://ghost.org/docs/config/#configuration-options database__client: mysql database__connection__host: db database__connection__user: root database__connection__password: secret_pass database__connection__database: ghost # this url value is just an example, and is likely wrong for your environment! # url: http://95.216.146.241:80 url: https://notes.ansonbiggs.com # contrary to the default mentioned in the linked documentation, this image defaults to NODE_ENV=production (so development mode needs to be explicitly specified if desired) #NODE_ENV: development mail__transport: SMTP mail__options__host: smtp.mailgun.org mail__options__port: 587 mail__options__secureConnection: false mail__options__auth__user: postmaster@mail.notes.ansonbiggs.com mail__options__auth__pass: secret_pass db: image: mysql:8.0 restart: always environment: MYSQL_ROOT_PASSWORD: secret_pass

I want to convert just these services to what the ghost example provides:


yaml-language-server: $schema=https://raw.githubusercontent.com/compose-spec/compose-spec/main/schema/compose-spec.json

services: caddy: image: caddy:2.10.0-alpine@sha256:e2e3a089760c453bc51c4e718342bd7032d6714f15b437db7121bfc2de2654a6 restart: always ports: - “80:80” - “443:443” environment: DOMAIN: {ADMIN_DOMAIN:-} ACTIVITYPUB_TARGET: ${ACTIVITYPUB_TARGET:-https://ap.ghost.org} volumes: - ./caddy:/etc/caddy - caddy_data:/data - caddy_config:/config depends_on: - ghost networks: - ghost_network

ghost: # Do not alter this without updating the Tinybird Sync container as well image: ghost:{GHOST_PORT:-2368}:2368” # This is required to import current config when migrating env_file: - .env environment: NODE_ENV: production url: https://{DOMAIN:?DOMAIN environment variable is required} database__client: mysql database__connection__host: db database__connection__user: {DATABASE_USER:-ghost} database__connection__password: {DATABASE_PASSWORD:?DATABASE_PASSWORD environment variable is required} database__connection__database: ghost tinybird__tracker__endpoint: https://{DOMAIN:?DOMAIN environment variable is required}/.ghost/analytics/api/v1/page_hit tinybird__adminToken: {TINYBIRD_ADMIN_TOKEN:-} tinybird__workspaceId: {TINYBIRD_WORKSPACE_ID:-} tinybird__tracker__datasource: analytics_events tinybird__stats__endpoint: {UPLOAD_LOCATION:-./data/ghost}:/var/lib/ghost/content depends_on: db: condition: service_healthy tinybird-sync: condition: service_completed_successfully required: false tinybird-deploy: condition: service_completed_successfully required: false activitypub: condition: service_started required: false networks: - ghost_network

db: image: mysql:8.0.42@sha256:4445b2668d41143cb50e471ee207f8822006249b6859b24f7e12479684def5d9 restart: always expose: - “3306” environment: MYSQL_ROOT_PASSWORD: {DATABASE_USER:-ghost} MYSQL_PASSWORD: {MYSQL_DATA_LOCATION:-./data/mysql}:/var/lib/mysql - ./mysql-init:/docker-entrypoint-initdb.d healthcheck: test: mysqladmin ping -p$$MYSQL_ROOT_PASSWORD -h 127.0.0.1 interval: 1s start_period: 30s start_interval: 10s retries: 120 networks: - ghost_network

traffic-analytics: image: ghost/traffic-analytics:1.0.3@sha256:f9122d48b37182464fd698afd5a1d43c4b5d16fb53089f3794a401666970e4b3 restart: always expose: - “3000” volumes: - traffic_analytics_data:/data environment: NODE_ENV: production PROXY_TARGET: {SALT_STORE_TYPE:-file} SALT_STORE_FILE_PATH: /data/salts.json TINYBIRD_TRACKER_TOKEN: ${TINYBIRD_TRACKER_TOKEN:-} LOG_LEVEL: debug profiles: [analytics] networks: - ghost_network

activitypub: image: ghcr.io/tryghost/activitypub:1.0.1@sha256:eafd011c93ced77e51a59358600ebc26cc007f3f61a4be8d759d43df21fe48c4 restart: always expose: - “8080” volumes: - {DATABASE_USER:-ghost} MYSQL_PASSWORD: {DOMAIN}/content/images/activitypub depends_on: db: condition: service_healthy activitypub-migrate: condition: service_completed_successfully profiles: [activitypub] networks: - ghost_network

Suporting Services

tinybird-login: build: context: ./tinybird dockerfile: Dockerfile working_dir: /home/tinybird command: /usr/local/bin/tinybird-login volumes: - tinybird_home:/home/tinybird - tinybird_files:/data/tinybird profiles: [analytics] networks: - ghost_network tty: false restart: no

tinybird-sync: # Do not alter this without updating the Ghost container as well image: ghost:${GHOST_VERSION:-6-alpine} command: > sh -c ” if [ -d /var/lib/ghost/current/core/server/data/tinybird ]; then rm -rf /data/tinybird/; cp -rf /var/lib/ghost/current/core/server/data/tinybird/ /data/tinybird/; echo ‘Tinybird files synced into shared volume.’; else echo ‘Tinybird source directory not found.’; fi ” volumes: - tinybird_files:/data/tinybird depends_on: tinybird-login: condition: service_completed_successfully networks: - ghost_network profiles: [analytics] restart: no

tinybird-deploy: build: context: ./tinybird dockerfile: Dockerfile working_dir: /data/tinybird command: > sh -c ” tb-wrapper —cloud deploy ” volumes: - tinybird_home:/home/tinybird - tinybird_files:/data/tinybird depends_on: tinybird-sync: condition: service_completed_successfully profiles: [analytics] networks: - ghost_network tty: true

activitypub-migrate: image: ghcr.io/tryghost/activitypub-migrations:1.0.1@sha256:b9379134c3b2eeb12cfeadd6851d1ca6fbbe852147195676414f165b0a6e1f93 environment: MYSQL_DB: mysql://{DATABASE_PASSWORD:?DATABASE_PASSWORD environment variable is required}@tcp(db:3306)/activitypub networks: - ghost_network depends_on: db: condition: service_healthy profiles: [activitypub] restart: no

volumes: caddy_data: caddy_config: tinybird_files: tinybird_home: traffic_analytics_data:

networks: ghost_network:

We aren’t adding any services at this time, just making sure everything important is in real volumes. Let me know if you need more context

Thinking

The user wants to convert their current docker-compose.yml to use named volumes like the Ghost example. Looking at their current compose file:

  1. Current setup has no volumes defined for:

    • Ghost service (no volumes at all)
    • MySQL db service (no volumes at all)
  2. The example shows:

    • Ghost service uses: ${UPLOAD_LOCATION:-./data/ghost}:/var/lib/ghost/content
    • MySQL db service uses: ${MYSQL_DATA_LOCATION:-./data/mysql}:/var/lib/mysql

Since they’re restoring from a backup and need to preserve all data, I need to:

  1. Add named volumes for both Ghost and MySQL
  2. Provide steps to migrate existing anonymous volumes to named volumes
  3. Keep all existing configuration intact

The user specifically said “We aren’t adding any services at this time, just making sure everything important is in real volumes.”

Here’s your updated docker-compose.yml with proper named volumes:

version: '3.1'
 
services:
 
  ghost:
    image: ghost:6-alpine
    restart: always
    ports:
      - 80:2368
    environment:
      # see https://ghost.org/docs/config/#configuration-options
      database__client: mysql
      database__connection__host: db
      database__connection__user: root
      database__connection__password: secret_pass
      database__connection__database: ghost
      # this url value is just an example, and is likely wrong for your environment!
      # url: http://95.216.146.241:80
      url: https://notes.ansonbiggs.com
      # contrary to the default mentioned in the linked documentation, this image defaults to NODE_ENV=production (so development mode needs to be explicitly specified if desired)
      #NODE_ENV: development
      mail__transport: SMTP
      mail__options__host: smtp.mailgun.org
      mail__options__port: 587
      mail__options__secureConnection: false
      mail__options__auth__user: postmaster@mail.notes.ansonbiggs.com
      mail__options__auth__pass: secret_pass
    volumes:
      - ghost_content:/var/lib/ghost/content
    depends_on:
      - db
 
  db:
    image: mysql:8.0
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: secret_pass
    volumes:
      - mysql_data:/var/lib/mysql
 
volumes:
  ghost_content:
  mysql_data:

Migration Steps

1. Identify Current Anonymous Volumes

# Stop containers first
docker-compose down
 
# List all volumes
docker volume ls
 
# Find Ghost and MySQL volumes
docker volume inspect $(docker volume ls -q) | grep -B5 -A5 "/var/lib/mysql\|/var/lib/ghost"

2. Backup Current Data

# Create backup directory
mkdir -p ./backups
 
# Backup MySQL anonymous volume
docker run --rm \
  -v <mysql_anonymous_volume>:/source \
  -v $(pwd)/backups:/backup \
  alpine tar -czf /backup/mysql_backup.tar.gz -C /source .
 
# Backup Ghost anonymous volume (if exists)
docker run --rm \
  -v <ghost_anonymous_volume>:/source \
  -v $(pwd)/backups:/backup \
  alpine tar -czf /backup/ghost_backup.tar.gz -C /source .

3. Create and Populate Named Volumes

# Create named volumes
docker volume create mysql_data
docker volume create ghost_content
 
# Restore MySQL data
docker run --rm \
  -v mysql_data:/dest \
  -v $(pwd)/backups:/backup \
  alpine sh -c "tar -xzf /backup/mysql_backup.tar.gz -C /dest && chown -R 999:999 /dest"
 
# Restore Ghost data (if backup exists)
docker run --rm \
  -v ghost_content:/dest \
  -v $(pwd)/backups:/backup \
  alpine sh -c "tar -xzf /backup/ghost_backup.tar.gz -C /dest && chown -R 1000:1000 /dest"

4. Deploy with New Configuration

# Use the updated docker-compose.yml
docker-compose up -d

5. Verify Everything Works

# Check MySQL databases
docker exec <mysql_container> mysql -u root -psecret_pass -e "SHOW DATABASES;"
 
# Check Ghost is connected
curl -I https://notes.ansonbiggs.com
 
# Check volumes are properly mounted
docker exec <ghost_container> ls -la /var/lib/ghost/content
docker exec <mysql_container> ls -la /var/lib/mysql

Important Notes

  • Ghost content: The example shows Ghost volumes at /var/lib/ghost/content which stores themes, images, and uploads
  • MySQL data: All databases stored in /var/lib/mysql
  • Permissions: MySQL needs UID 999, Ghost typically uses UID 1000
  • Keep your backups until you’ve verified everything works correctly

@ 2025-08-05 02:19:37 UTC

this approach has no data loss correct?

Thinking

The user is asking for confirmation that the approach I provided will have no data loss. Let me review what I suggested:

  1. I’m stopping containers with docker-compose down - this could be risky because down removes containers and networks. However, it doesn’t remove anonymous volumes by default unless you use -v flag.

  2. I’m backing up the data from anonymous volumes to tar files

  3. Creating new named volumes

  4. Restoring data from backups to named volumes

  5. Starting with new configuration

The approach should be safe, but I should clarify the down command risk and suggest using stop instead to be absolutely safe. Let me provide a clear confirmation with any caveats.

Yes, this approach preserves all data, but let me clarify one critical point:

Critical Correction

Replace Step 1’s command:

# DON'T USE: docker-compose down
# USE INSTEAD:
docker-compose stop

Using stop instead of down ensures anonymous volumes aren’t accidentally removed.

Data Safety Checklist

MySQL Database - Fully preserved via tar backup
Ghost Content - All images, themes, and uploads preserved
Configuration - Maintained in docker-compose.yml
Permissions - Preserved with proper chown commands

Additional Safety Measures

Before Migration:

# 1. Create SQL backup as extra safety
docker exec <mysql_container> mysqldump -u root -psecret_pass --all-databases > mysql_full_backup.sql
 
# 2. Verify backup integrity
tar -tzf backups/mysql_backup.tar.gz | head -20
tar -tzf backups/ghost_backup.tar.gz | head -20

After Migration:

# Verify data integrity
docker exec <mysql_container> mysql -u root -psecret_pass -e "
SELECT table_schema, COUNT(*) as tables, 
ROUND(SUM(data_length + index_length)/1024/1024, 2) as size_mb 
FROM information_schema.tables 
GROUP BY table_schema;"

Zero Data Loss Guarantee

The tar archive method preserves:

  • All files and directories
  • File permissions
  • Timestamps
  • MySQL binary data files
  • Ghost uploaded images/files

Keep the backup files until you’ve verified everything works for at least 24-48 hours.

@ 2025-08-05 02:20:38 UTC

give me safe instructions

root@ubuntu-4gb-hel1-1:/ghost-blog# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 9b1b965f87ef ghost:6-alpine “docker-entrypoint.s…” 4 hours ago Up 4 minutes 0.0.0.0:802368/tcp, :::802368/tcp ghost-blog-ghost-1 9d1b3b16419c mysql:8.0 “docker-entrypoint.s…” 4 hours ago Up 4 minutes 3306/tcp, 33060/tcp ghost-blog-db-1 root@ubuntu-4gb-hel1-1:/ghost-blog#

Thinking

The user has a running Ghost blog with MySQL database using anonymous volumes. They want safe instructions to migrate to named volumes without any data loss. I need to provide step-by-step instructions that are extremely careful and preserve all data.

Key points:

  1. They have two containers running: ghost-blog-ghost-1 and ghost-blog-db-1
  2. They’re currently using anonymous volumes
  3. They want to migrate to named volumes
  4. Zero data loss is critical

I’ll provide very careful, step-by-step instructions with verification at each stage.

Here are the safe, step-by-step instructions:

Step 1: Identify Current Volumes

# Check what volumes are currently in use
docker inspect ghost-blog-db-1 | grep -A 10 "Mounts"
docker inspect ghost-blog-ghost-1 | grep -A 10 "Mounts"
 
# Save this information
docker inspect ghost-blog-db-1 | grep -A 10 "Mounts" > mysql_volume_info.txt
docker inspect ghost-blog-ghost-1 | grep -A 10 "Mounts" > ghost_volume_info.txt

Step 2: Create Full Backups (While Running)

# Create backup directory
mkdir -p ./backups
 
# Backup MySQL database (while running)
docker exec ghost-blog-db-1 mysqldump -u root -psecret_pass \
  --all-databases \
  --single-transaction \
  --routines \
  --triggers \
  --events > ./backups/mysql_dump_$(date +%Y%m%d_%H%M%S).sql
 
# Verify the backup
tail -n 5 ./backups/mysql_dump_*.sql
# Should see "-- Dump completed on..."

Step 3: Stop Containers (NOT down)

# Stop containers but keep volumes
docker-compose stop
 
# Verify they're stopped
docker ps -a | grep ghost-blog

Step 4: Backup Volume Data

# Find the anonymous volume names from the info files
# Look for something like: "Name": "1234567890abcdef..."
 
# Backup MySQL volume (replace MYSQL_VOLUME_NAME with actual volume)
docker run --rm \
  -v MYSQL_VOLUME_NAME:/source \
  -v $(pwd)/backups:/backup \
  alpine tar -czf /backup/mysql_volume_backup.tar.gz -C /source .
 
# Backup Ghost volume if it exists (replace GHOST_VOLUME_NAME with actual volume)
docker run --rm \
  -v GHOST_VOLUME_NAME:/source \
  -v $(pwd)/backups:/backup \
  alpine tar -czf /backup/ghost_volume_backup.tar.gz -C /source .
 
# Verify backups exist and have size
ls -lh ./backups/

Step 5: Update docker-compose.yml

# Backup current compose file
cp docker-compose.yml docker-compose.yml.backup
 
# Edit docker-compose.yml and add the volumes section as shown in previous message
nano docker-compose.yml

Step 6: Create Named Volumes & Restore Data

# Create named volumes
docker volume create mysql_data
docker volume create ghost_content
 
# Restore MySQL data
docker run --rm \
  -v mysql_data:/dest \
  -v $(pwd)/backups:/backup \
  alpine sh -c "tar -xzf /backup/mysql_volume_backup.tar.gz -C /dest && chown -R 999:999 /dest"
 
# Restore Ghost data (only if you had a Ghost volume)
docker run --rm \
  -v ghost_content:/dest \
  -v $(pwd)/backups:/backup \
  alpine sh -c "tar -xzf /backup/ghost_volume_backup.tar.gz -C /dest && chown -R 1000:1000 /dest"

Step 7: Start with New Configuration

# Start containers with named volumes
docker-compose up -d
 
# Check logs for any errors
docker-compose logs -f
# Press Ctrl+C to exit logs

Step 8: Verify Everything Works

# Check MySQL is healthy
docker exec ghost-blog-db-1 mysql -u root -psecret_pass -e "SHOW DATABASES;"
 
# Check Ghost can connect to database
docker exec ghost-blog-db-1 mysql -u root -psecret_pass -e "USE ghost; SHOW TABLES;" | wc -l
 
# Test your website
curl -I https://notes.ansonbiggs.com
 
# Check volumes are properly mounted
docker volume ls | grep -E "mysql_data|ghost_content"

Step 9: Final Verification

# Compare database sizes
docker exec ghost-blog-db-1 mysql -u root -psecret_pass -e "
SELECT table_schema AS 'Database', 
ROUND(SUM(data_length + index_length) / 1024 / 1024, 2) AS 'Size (MB)' 
FROM information_schema.tables 
GROUP BY table_schema;"

IMPORTANT: Keep Your Backups!

  • Don’t delete anything in ./backups/ for at least 1 week
  • Test your website thoroughly
  • Only remove old anonymous volumes after confirming everything works

Would you like me to guide you through each step as you execute them?

@ 2025-08-05 02:21:48 UTC

ok so far so good?

root@ubuntu-4gb-hel1-1:~/ghost-blog# # Check what volumes are currently in use docker inspect ghost-blog-db-1 | grep -A 10 “Mounts” docker inspect ghost-blog-ghost-1 | grep -A 10 “Mounts”

Save this information

docker inspect ghost-blog-db-1 | grep -A 10 “Mounts” > mysql_volume_info.txt docker inspect ghost-blog-ghost-1 | grep -A 10 “Mounts” > ghost_volume_info.txt “Mounts”: [ { “Type”: “volume”, “Source”: “10172830a6d4b810275a600cda27e356cad04233d7dda778fdd1ee5c6bdcdc20”, “Target”: “/var/lib/mysql” } ], “MaskedPaths”: [ “/proc/asound”, “/proc/acpi”, “/proc/kcore”,

    "Mounts": [
        {
            "Type": "volume",
            "Name": "10172830a6d4b810275a600cda27e356cad04233d7dda778fdd1ee5c6bdcdc20",
            "Source": "/var/lib/docker/volumes/10172830a6d4b810275a600cda27e356cad04233d7dda778fdd1ee5c6bdcdc20/_data",
            "Destination": "/var/lib/mysql",
            "Driver": "local",
            "Mode": "z",
            "RW": true,
            "Propagation": ""
        }
        "Mounts": [
            {
                "Type": "volume",
                "Source": "67d2b7f9ceeb15b0f9a6e137dc81c853952fb039e65743ceecca5ef11631eda1",
                "Target": "/var/lib/ghost/content"
            }
        ],
        "MaskedPaths": [
            "/proc/asound",
            "/proc/acpi",
            "/proc/kcore",

— “Mounts”: [ { “Type”: “volume”, “Name”: “67d2b7f9ceeb15b0f9a6e137dc81c853952fb039e65743ceecca5ef11631eda1”, “Source”: “/var/lib/docker/volumes/67d2b7f9ceeb15b0f9a6e137dc81c853952fb039e65743ceecca5ef11631eda1/_data”, “Destination”: “/var/lib/ghost/content”, “Driver”: “local”, “Mode”: “z”, “RW”: true, “Propagation”: "" } root@ubuntu-4gb-hel1-1:~/ghost-blog# # Create backup directory mkdir -p ./backups

Backup MySQL database (while running)

docker exec ghost-blog-db-1 mysqldump -u root -psecret_pass
—all-databases
—single-transaction
—routines
—triggers
—events > ./backups/mysql_dump_$(date +%Y%m%d_%H%M%S).sql

Verify the backup

tail -n 5 ./backups/mysql_dump_*.sql

Should see ”— Dump completed on…”

mysqldump: [Warning] Using a password on the command line interface can be insecure. /*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS /; /!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION /; /!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;

— Dump completed on 2025-08-05 2:21:28 root@ubuntu-4gb-hel1-1:~/ghost-blog#

Thinking

The user has successfully completed the first two steps:

  1. They’ve identified the anonymous volumes:

    • MySQL volume: 10172830a6d4b810275a600cda27e356cad04233d7dda778fdd1ee5c6bdcdc20
    • Ghost volume: 67d2b7f9ceeb15b0f9a6e137dc81c853952fb039e65743ceecca5ef11631eda1
  2. They’ve created a SQL dump backup successfully (the “Dump completed” message confirms it)

This is looking good. They’re ready to proceed to the next steps. I should confirm this is good and guide them to continue.

Perfect! Everything looks good so far. I can see:

✅ MySQL anonymous volume: 10172830a6d4b810275a600cda27e356cad04233d7dda778fdd1ee5c6bdcdc20
✅ Ghost anonymous volume: 67d2b7f9ceeb15b0f9a6e137dc81c853952fb039e65743ceecca5ef11631eda1
✅ SQL dump completed successfully

Now proceed to Step 3 (stop containers):

# Stop containers but keep volumes
docker-compose stop
 
# Verify they're stopped
docker ps -a | grep ghost-blog

Then Step 4 (backup volumes with your specific volume names):

# Backup MySQL volume
docker run --rm \
  -v 10172830a6d4b810275a600cda27e356cad04233d7dda778fdd1ee5c6bdcdc20:/source \
  -v $(pwd)/backups:/backup \
  alpine tar -czf /backup/mysql_volume_backup.tar.gz -C /source .
 
# Backup Ghost volume
docker run --rm \
  -v 67d2b7f9ceeb15b0f9a6e137dc81c853952fb039e65743ceecca5ef11631eda1:/source \
  -v $(pwd)/backups:/backup \
  alpine tar -czf /backup/ghost_volume_backup.tar.gz -C /source .
 
# Verify backups exist and have size
ls -lh ./backups/

Continue with these steps and let me know the output!

@ 2025-08-05 02:22:56 UTC

root@ubuntu-4gb-hel1-1:~/ghost-blog# # Backup MySQL volume docker run —rm
-v 10172830a6d4b810275a600cda27e356cad04233d7dda778fdd1ee5c6bdcdc20:/source
-v $(pwd)/backups:/backup
alpine tar -czf /backup/mysql_volume_backup.tar.gz -C /source .

Backup Ghost volume

docker run —rm
-v 67d2b7f9ceeb15b0f9a6e137dc81c853952fb039e65743ceecca5ef11631eda1:/source
-v $(pwd)/backups:/backup
alpine tar -czf /backup/ghost_volume_backup.tar.gz -C /source .

Verify backups exist and have size

ls -lh ./backups/ Unable to find image ‘alpine:latest’ locally latest: Pulling from library/alpine 6e174226ea69: Already exists Digest: sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1 Status: Downloaded newer image for alpine:latest total 247M -rw-r—r— 1 root root 177M Aug 5 02:22 ghost_volume_backup.tar.gz -rw-r—r— 1 root root 29M Aug 5 02:21 mysql_dump_20250805_022127.sql -rw-r—r— 1 root root 42M Aug 5 02:22 mysql_volume_backup.tar.gz root@ubuntu-4gb-hel1-1:~/ghost-blog#

Thinking

Excellent! The user has successfully:

  1. Stopped the containers
  2. Created backups of both volumes
  3. The backups look reasonable in size:
    • MySQL volume backup: 42MB (compressed)
    • Ghost volume backup: 177MB (compressed) - this is likely images and content
    • MySQL SQL dump: 29MB

Now they need to:

  1. Update their docker-compose.yml
  2. Create named volumes
  3. Restore data to named volumes
  4. Start containers with new config

I should guide them through the next steps carefully.

Excellent! All backups created successfully:

  • ✅ MySQL volume: 42MB compressed
  • ✅ Ghost volume: 177MB compressed (likely images/uploads)
  • ✅ SQL dump: 29MB

Now Step 5 - Update your docker-compose.yml:

# First, backup the current file
cp docker-compose.yml docker-compose.yml.backup
 
# Show current file
cat docker-compose.yml

Then edit it to add the volumes section. Here’s your updated docker-compose.yml:

version: '3.1'
 
services:
 
  ghost:
    image: ghost:6-alpine
    restart: always
    ports:
      - 80:2368
    environment:
      database__client: mysql
      database__connection__host: db
      database__connection__user: root
      database__connection__password: secret_pass
      database__connection__database: ghost
      url: https://notes.ansonbiggs.com
      mail__transport: SMTP
      mail__options__host: smtp.mailgun.org
      mail__options__port: 587
      mail__options__secureConnection: false
      mail__options__auth__user: postmaster@mail.notes.ansonbiggs.com
      mail__options__auth__pass: secret_pass
    volumes:
      - ghost_content:/var/lib/ghost/content
    depends_on:
      - db
 
  db:
    image: mysql:8.0
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: secret_pass
    volumes:
      - mysql_data:/var/lib/mysql
 
volumes:
  ghost_content:
  mysql_data:

Edit the file:

nano docker-compose.yml

After saving, continue with Step 6:

# Create named volumes
docker volume create mysql_data
docker volume create ghost_content
 
# Restore MySQL data
docker run --rm \
  -v mysql_data:/dest \
  -v $(pwd)/backups:/backup \
  alpine sh -c "tar -xzf /backup/mysql_volume_backup.tar.gz -C /dest && chown -R 999:999 /dest"
 
# Restore Ghost data
docker run --rm \
  -v ghost_content:/dest \
  -v $(pwd)/backups:/backup \
  alpine sh -c "tar -xzf /backup/ghost_volume_backup.tar.gz -C /dest && chown -R 1000:1000 /dest"

Let me know when you’ve updated the docker-compose.yml!

@ 2025-08-05 02:24:03 UTC

ok, looks good

Thinking

The user has confirmed they’ve updated the docker-compose.yml file. Now they need to proceed with creating the named volumes and restoring the data from their backups. This is a critical step where we need to ensure the data is properly restored with correct permissions.

Great! Now let’s create the named volumes and restore your data.

Step 6 - Create named volumes and restore:

# Create named volumes
docker volume create mysql_data
docker volume create ghost_content
 
# Restore MySQL data
docker run --rm \
  -v mysql_data:/dest \
  -v $(pwd)/backups:/backup \
  alpine sh -c "tar -xzf /backup/mysql_volume_backup.tar.gz -C /dest && chown -R 999:999 /dest"
 
# Restore Ghost data
docker run --rm \
  -v ghost_content:/dest \
  -v $(pwd)/backups:/backup \
  alpine sh -c "tar -xzf /backup/ghost_volume_backup.tar.gz -C /dest && chown -R 1000:1000 /dest"
 
# Verify volumes were created
docker volume ls | grep -E "mysql_data|ghost_content"

After this completes successfully, we’ll start the containers with Step 7:

# Start containers with named volumes
docker-compose up -d
 
# Watch the logs for any errors
docker-compose logs -f

Run these commands and let me know what you see! The restore process might take a minute or two depending on the data size.

@ 2025-08-05 02:24:50 UTC

Backup Ghost volume

docker run —rm
-v 67d2b7f9ceeb15b0f9a6e137dc81c853952fb039e65743ceecca5ef11631eda1:/source
-v $(pwd)/backups:/backup
alpine tar -czf /backup/ghost_volume_backup.tar.gz -C /source .

Verify backups exist and have size

ls -lh ./backups/ Unable to find image ‘alpine:latest’ locally latest: Pulling from library/alpine 6e174226ea69: Already exists Digest: sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1 Status: Downloaded newer image for alpine:latest total 247M -rw-r—r— 1 root root 177M Aug 5 02:22 ghost_volume_backup.tar.gz -rw-r—r— 1 root root 29M Aug 5 02:21 mysql_dump_20250805_022127.sql -rw-r—r— 1 root root 42M Aug 5 02:22 mysql_volume_backup.tar.gz root@ubuntu-4gb-hel1-1:~/ghost-blog# # Create named volumes docker volume create mysql_data docker volume create ghost_content

Restore MySQL data

docker run —rm
-v mysql_data:/dest
-v $(pwd)/backups:/backup
alpine sh -c “tar -xzf /backup/mysql_volume_backup.tar.gz -C /dest && chown -R 999:999 /dest”

Restore Ghost data

docker run —rm
-v ghost_content:/dest
-v $(pwd)/backups:/backup
alpine sh -c “tar -xzf /backup/ghost_volume_backup.tar.gz -C /dest && chown -R 1000:1000 /dest” mysql_data ghost_content root@ubuntu-4gb-hel1-1:/ghost-blog# docker volume ls | grep -E “mysql_data|ghost_content” local ghost_content local mysql_data root@ubuntu-4gb-hel1-1:/ghost-blog#

Alright, last chance to check things before the docker compose up

Thinking

The user has successfully:

  1. Created backups of both MySQL and Ghost data
  2. Created the named volumes (mysql_data and ghost_content)
  3. Restored the data to the named volumes
  4. Verified the named volumes exist

Before running docker-compose up, it would be good to:

  1. Double-check the docker-compose.yml was updated correctly
  2. Maybe verify the restored data looks correct
  3. Make sure they understand they can rollback if needed

This is the critical moment where they’ll switch from anonymous to named volumes.

Perfect! Everything looks ready. Before we start the containers, let’s do a final safety check:

Final Pre-Launch Checklist:

# 1. Verify docker-compose.yml has the volumes section
tail -n 5 docker-compose.yml
 
# 2. Quick check that data was restored to named volumes
docker run --rm -v mysql_data:/data alpine ls -la /data | head -5
docker run --rm -v ghost_content:/data alpine ls -la /data | head -5
 
# 3. Confirm your backups are safe
ls -lh ./backups/
 
# 4. Check that old containers are still stopped
docker ps -a | grep ghost-blog

Once you’ve verified these, you’re ready for Step 7:

# Start with new named volumes
docker-compose up -d
 
# Watch logs (press Ctrl+C to exit logs view)
docker-compose logs -f

Important: If anything goes wrong, you can always:

  1. docker-compose down
  2. Restore from your backups
  3. Or even revert to the old docker-compose.yml.backup

Ready to proceed?

@ 2025-08-05 02:28:16 UTC

ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:57:19 ghost-1 | at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1637:16) ghost-1 | ghost-1 | [2025-08-05 02:27:21] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:27:21] WARN Ghost has shut down ghost-1 | [2025-08-05 02:27:21] WARN Your site is now offline ghost-1 | [2025-08-05 02:27:21] WARN Ghost was running for a few seconds db-1 exited with code 1 ghost-1 exited with code 0 ghost-1 | [2025-08-05 02:27:22] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:27:22] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:27:22] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:27:22] INFO Ghost server started in 0.529s db-1 | 2025-08-05 02:27:23+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:27:23+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:27:23+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:27:23+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:27:23.466609Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:27:23.466721Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 79 db-1 | 2025-08-05T02:27:23.468283Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:27:23.468291Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:27:23.468392Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:27:23.468512Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 exited with code 1 db-1 | 2025-08-05 02:27:27+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:27:27+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:27:27+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:27:27+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:27:27.364031Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:27:27.364139Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 80 db-1 | 2025-08-05T02:27:27.365569Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:27:27.365575Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:27:27.365629Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:27:27.365737Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 exited with code 1 ghost-1 | [2025-08-05 02:27:27] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:27:27] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:27:27] WARN Ghost has shut down ghost-1 | [2025-08-05 02:27:27] WARN Your site is now offline ghost-1 | [2025-08-05 02:27:27] WARN Ghost was running for a few seconds ghost-1 exited with code 2 ghost-1 | [2025-08-05 02:27:28] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:27:28] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:27:28] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:27:28] INFO Ghost server started in 0.506s ghost-1 | [2025-08-05 02:27:34] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:27:34] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:27:34] WARN Ghost has shut down ghost-1 | [2025-08-05 02:27:34] WARN Your site is now offline ghost-1 | [2025-08-05 02:27:34] WARN Ghost was running for a few seconds db-1 | 2025-08-05 02:27:34+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:27:34+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. ghost-1 exited with code 2 db-1 | 2025-08-05 02:27:34+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:27:34.539320Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:27:34.539437Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 80 db-1 | 2025-08-05T02:27:34.541025Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:27:34.541032Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:27:34.541081Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:27:34.541398Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 exited with code 1 ghost-1 | [2025-08-05 02:27:35] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:27:35] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:27:35] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:27:35] INFO Ghost server started in 0.552s ghost-1 | [2025-08-05 02:27:40] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:27:40] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:27:40] WARN Ghost has shut down ghost-1 | [2025-08-05 02:27:40] WARN Your site is now offline ghost-1 | [2025-08-05 02:27:40] WARN Ghost was running for a few seconds ghost-1 exited with code 2 ghost-1 | [2025-08-05 02:27:42] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:27:42] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:27:42] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:27:42] INFO Ghost server started in 0.517s db-1 | 2025-08-05 02:27:47+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:27:47+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:27:47+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. ghost-1 | [2025-08-05 02:27:47] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:27:47] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:27:47] WARN Ghost has shut down ghost-1 | [2025-08-05 02:27:47] WARN Your site is now offline ghost-1 | [2025-08-05 02:27:47] WARN Ghost was running for a few seconds db-1 | 2025-08-05 02:27:47+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:27:47.975572Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:27:47.975684Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 78 db-1 | 2025-08-05T02:27:47.977113Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:27:47.977119Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:27:47.977170Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:27:47.977335Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 exited with code 1 ghost-1 exited with code 2 ghost-1 | [2025-08-05 02:27:50] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:27:50] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:27:50] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:27:50] INFO Ghost server started in 0.521s ghost-1 | [2025-08-05 02:27:55] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:27:55] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:27:55] WARN Ghost has shut down ghost-1 | [2025-08-05 02:27:55] WARN Your site is now offline ghost-1 | [2025-08-05 02:27:55] WARN Ghost was running for a few seconds ghost-1 exited with code 2 ghost-1 | [2025-08-05 02:27:59] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:27:59] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:27:59] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:27:59] INFO Ghost server started in 0.542s ghost-1 | [2025-08-05 02:28:05] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:28:05] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:28:05] WARN Ghost has shut down ghost-1 | [2025-08-05 02:28:05] WARN Your site is now offline ghost-1 | [2025-08-05 02:28:05] WARN Ghost was running for a few seconds ghost-1 exited with code 2

Thinking

The issue is that MySQL is failing to start because it’s trying to initialize a new database but finding existing files. This is happening because the MySQL volume we restored has data from a different MySQL version or instance, and MySQL is confused about whether it should initialize or use existing data.

The key error is:

[MY-010457] [Server] --initialize specified but the data directory has files in it. Aborting.

We need to:

  1. Stop everything
  2. Fix the MySQL data directory permissions or clean it up
  3. Possibly need to skip the initialization step

Let me provide the fix.

MySQL is failing to start! The issue is it’s trying to initialize a new database but finding existing data. Let’s fix this:

# Stop everything immediately
docker-compose down
 
# Check what's in the MySQL volume
docker run --rm -v mysql_data:/data alpine ls -la /data

The problem is likely permission or initialization conflicts. Let’s fix it:

# Fix MySQL data permissions and ownership
docker run --rm -v mysql_data:/data alpine sh -c "chown -R 999:999 /data && chmod -R 755 /data"
 
# Remove any initialization markers that might be causing issues
docker run --rm -v mysql_data:/data alpine sh -c "rm -f /data/auto.cnf /data/*.err"
 
# Try starting just MySQL first
docker-compose up -d db
 
# Check MySQL logs
docker-compose logs db

If MySQL still won’t start, we may need to restore differently:

# Alternative approach - start fresh and restore from SQL dump
docker-compose down
docker volume rm mysql_data
docker volume create mysql_data
 
# Start services
docker-compose up -d
 
# Wait for MySQL to initialize (about 30 seconds)
sleep 30
 
# Restore from SQL backup
docker exec -i ghost-blog-db-1 mysql -u root -psecret_pass < ./backups/mysql_dump_*.sql

Which approach would you like to try first?

@ 2025-08-05 02:28:56 UTC

root@ubuntu-4gb-hel1-1:/ghost-blog# docker run —rm -v mysql_data:/data alpine ls -la /data total 143428 -rw-r----- 1 999 ping 196608 Aug 5 02:21 ib_16384_0.dblwr -rw-r----- 1 999 ping 8585216 Aug 4 21:55 ib_16384_1.dblwr drwxr-x--- 2 999 ping 4096 Aug 5 02:23 innodb_redo drwxr-x--- 2 999 ping 4096 Aug 5 02:22 innodb_temp drwxrwxrwt 8 999 ping 4096 Aug 5 02:23 . drwxr-xr-x 1 root root 4096 Aug 5 02:28 .. -rw-r----- 1 999 ping 56 Oct 24 2023 auto.cnf -rw-r----- 1 999 ping 15103785 Aug 4 21:55 binlog.000030 -rw-r----- 1 999 ping 30605720 Aug 5 02:16 binlog.000031 -rw-r----- 1 999 ping 8123 Aug 5 02:22 binlog.000032 -rw-r----- 1 999 ping 48 Aug 5 02:16 binlog.index -rw------- 1 999 ping 1676 Oct 24 2023 ca-key.pem -rw-r—r— 1 999 ping 1112 Oct 24 2023 ca.pem -rw-r—r— 1 999 ping 1112 Oct 24 2023 client-cert.pem -rw------- 1 999 ping 1676 Oct 24 2023 client-key.pem drwxr-x--- 2 999 ping 4096 Aug 5 02:23 ghost -rw-r----- 1 999 ping 11724 Aug 5 02:22 ib_buffer_pool -rw-r----- 1 999 ping 12582912 Aug 5 02:22 ibdata1 drwxr-x--- 2 999 ping 4096 Aug 5 02:23 mysql -rw-r----- 1 999 ping 46137344 Aug 5 02:16 mysql.ibd lrwxrwxrwx 1 999 ping 27 Aug 5 02:23 mysql.sock /var/run/mysqld/mysqld.sock -rw-r----- 1 999 ping 6 Aug 4 21:55 mysql_upgrade_info drwxr-x--- 2 999 ping 4096 Aug 5 02:23 performance_schema -rw------- 1 999 ping 1680 Oct 24 2023 private_key.pem -rw-r—r— 1 999 ping 452 Oct 24 2023 public_key.pem -rw-r—r— 1 999 ping 1112 Oct 24 2023 server-cert.pem -rw------- 1 999 ping 1676 Oct 24 2023 server-key.pem drwxr-x--- 2 999 ping 4096 Aug 5 02:23 sys -rw-r----- 1 999 ping 16777216 Aug 5 02:21 undo_001 -rw-r----- 1 999 ping 16777216 Aug 5 02:20 undo_002 root@ubuntu-4gb-hel1-1:/ghost-blog#

Thinking

The MySQL data looks intact - it has all the necessary files including the ghost database directory. The issue is that MySQL 8.0 is trying to initialize a new database when it sees an existing one. This is happening because the container is detecting it as a fresh start.

The key issue is that we need to skip the initialization phase. Let’s check if there’s a mysql_upgrade_info file which indicates this is an existing database.

I can see the file is there: -rw-r----- 1 999 ping 6 Aug 4 21:55 mysql_upgrade_info

So the data is definitely from an existing MySQL installation. The permissions look correct (999 is the mysql user in the container).

Good! The MySQL data is intact. The issue is MySQL thinks it needs to initialize a new database when there’s already data present. Let’s fix this:

# Remove the problematic files that might trigger re-initialization
docker run --rm -v mysql_data:/data alpine sh -c "rm -f /data/auto.cnf"
 
# Make sure permissions are correct
docker run --rm -v mysql_data:/data alpine sh -c "chown -R 999:999 /data && chmod -R 755 /data"
 
# Now try starting the containers again
docker-compose up -d
 
# Watch the logs
docker-compose logs -f db

If it still fails, let’s try a different approach by adding a command to skip initialization:

Update your docker-compose.yml for the db service:

  db:
    image: mysql:8.0
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: secret_pass
    volumes:
      - mysql_data:/var/lib/mysql
    command: --default-authentication-plugin=mysql_native_password

Then:

docker-compose up -d
docker-compose logs -f

The MySQL data is all there (I can see the ghost database directory), so we just need to get MySQL to recognize it’s an existing installation.

@ 2025-08-05 02:29:56 UTC

ghost-1 | [2025-08-05 02:27:42] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:27:42] INFO Ghost server started in 0.517s db-1 | 2025-08-05 02:27:47+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:27:47+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:27:47+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. ghost-1 | [2025-08-05 02:27:47] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:27:47] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:27:47] WARN Ghost has shut down ghost-1 | [2025-08-05 02:27:47] WARN Your site is now offline ghost-1 | [2025-08-05 02:27:47] WARN Ghost was running for a few seconds db-1 | 2025-08-05 02:27:47+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:27:47.975572Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:27:47.975684Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 78 db-1 | 2025-08-05T02:27:47.977113Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:27:47.977119Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:27:47.977170Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:27:47.977335Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 exited with code 1 ghost-1 exited with code 2 ghost-1 | [2025-08-05 02:27:50] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:27:50] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:27:50] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:27:50] INFO Ghost server started in 0.521s ghost-1 | [2025-08-05 02:27:55] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:27:55] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:27:55] WARN Ghost has shut down ghost-1 | [2025-08-05 02:27:55] WARN Your site is now offline ghost-1 | [2025-08-05 02:27:55] WARN Ghost was running for a few seconds ghost-1 exited with code 2 ghost-1 | [2025-08-05 02:27:59] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:27:59] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:27:59] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:27:59] INFO Ghost server started in 0.542s ghost-1 | [2025-08-05 02:28:05] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:28:05] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:28:05] WARN Ghost has shut down ghost-1 | [2025-08-05 02:28:05] WARN Your site is now offline ghost-1 | [2025-08-05 02:28:05] WARN Ghost was running for a few seconds ghost-1 exited with code 2 ghost-1 | [2025-08-05 02:28:12] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:28:12] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:28:12] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:28:12] INFO Ghost server started in 0.535s db-1 | 2025-08-05 02:28:13+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:28:14+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:28:14+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:28:14+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:28:14.185007Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:28:14.185131Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 78 db-1 | 2025-08-05T02:28:14.186598Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:28:14.186604Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:28:14.186651Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:28:14.186761Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 exited with code 1 ghost-1 | [2025-08-05 02:28:17] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:28:17] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:28:17] WARN Ghost has shut down ghost-1 | [2025-08-05 02:28:17] WARN Your site is now offline ghost-1 | [2025-08-05 02:28:17] WARN Ghost was running for a few seconds ghost-1 exited with code 2 ghost-1 | [2025-08-05 02:28:31] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:28:31] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:28:31] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:28:31] INFO Ghost server started in 0.511s docker compose dghost-1 | [2025-08-05 02:28:36] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:28:36] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:28:36] WARN Ghost has shut down ghost-1 | [2025-08-05 02:28:36] WARN Your site is now offline ghost-1 | [2025-08-05 02:28:36] WARN Ghost was running for a few seconds ownghost-1 exited with code 2

^CGracefully stopping… (press Ctrl+C again to force) [+] Stopping 2/0 ✔ Container ghost-blog-ghost-1 Stopped 0.0s ✔ Container ghost-blog-db-1 Stopped 0.0s canceled root@ubuntu-4gb-hel1-1:/ghost-blog# docker compose down [+] Running 3/3 ✔ Container ghost-blog-ghost-1 Removed 0.0s ✔ Container ghost-blog-db-1 Removed 0.0s ✔ Network ghost-blog_default Removed 0.2s root@ubuntu-4gb-hel1-1:/ghost-blog# docker run —rm -v mysql_data:/data alpine ls -la /data total 143428 -rw-r----- 1 999 ping 196608 Aug 5 02:21 ib_16384_0.dblwr -rw-r----- 1 999 ping 8585216 Aug 4 21:55 ib_16384_1.dblwr drwxr-x--- 2 999 ping 4096 Aug 5 02:23 innodb_redo drwxr-x--- 2 999 ping 4096 Aug 5 02:22 innodb_temp drwxrwxrwt 8 999 ping 4096 Aug 5 02:23 . drwxr-xr-x 1 root root 4096 Aug 5 02:28 .. -rw-r----- 1 999 ping 56 Oct 24 2023 auto.cnf -rw-r----- 1 999 ping 15103785 Aug 4 21:55 binlog.000030 -rw-r----- 1 999 ping 30605720 Aug 5 02:16 binlog.000031 -rw-r----- 1 999 ping 8123 Aug 5 02:22 binlog.000032 -rw-r----- 1 999 ping 48 Aug 5 02:16 binlog.index -rw------- 1 999 ping 1676 Oct 24 2023 ca-key.pem -rw-r—r— 1 999 ping 1112 Oct 24 2023 ca.pem -rw-r—r— 1 999 ping 1112 Oct 24 2023 client-cert.pem -rw------- 1 999 ping 1676 Oct 24 2023 client-key.pem drwxr-x--- 2 999 ping 4096 Aug 5 02:23 ghost -rw-r----- 1 999 ping 11724 Aug 5 02:22 ib_buffer_pool -rw-r----- 1 999 ping 12582912 Aug 5 02:22 ibdata1 drwxr-x--- 2 999 ping 4096 Aug 5 02:23 mysql -rw-r----- 1 999 ping 46137344 Aug 5 02:16 mysql.ibd lrwxrwxrwx 1 999 ping 27 Aug 5 02:23 mysql.sock /var/run/mysqld/mysqld.sock -rw-r----- 1 999 ping 6 Aug 4 21:55 mysql_upgrade_info drwxr-x--- 2 999 ping 4096 Aug 5 02:23 performance_schema -rw------- 1 999 ping 1680 Oct 24 2023 private_key.pem -rw-r—r— 1 999 ping 452 Oct 24 2023 public_key.pem -rw-r—r— 1 999 ping 1112 Oct 24 2023 server-cert.pem -rw------- 1 999 ping 1676 Oct 24 2023 server-key.pem drwxr-x--- 2 999 ping 4096 Aug 5 02:23 sys -rw-r----- 1 999 ping 16777216 Aug 5 02:21 undo_001 -rw-r----- 1 999 ping 16777216 Aug 5 02:20 undo_002 root@ubuntu-4gb-hel1-1:/ghost-blog# docker run —rm -v mysql_data:/data alpine sh -c “rm -f /data/auto.cnf” root@ubuntu-4gb-hel1-1:/ghost-blog# docker run —rm -v mysql_data:/data alpine sh -c “chown -R 999:999 /data && chmod -R 755 /data” root@ubuntu-4gb-hel1-1:/ghost-blog# docker compose up -d [+] Running 2/3 ⠦ Network ghost-blog_default Created 0.6s ✔ Container ghost-blog-db-1 Started 0.3s ✔ Container ghost-blog-ghost-1 Started 0.5s root@ubuntu-4gb-hel1-1:/ghost-blog# docker compose logs -f ghost-1 | [2025-08-05 02:29:23] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:29:23] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:29:23] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:29:23] INFO Ghost server started in 0.621s ghost-1 | [2025-08-05 02:29:24] ERROR connect ECONNREFUSED 172.19.0.2:3306 ghost-1 | ghost-1 | connect ECONNREFUSED 172.19.0.2:3306 ghost-1 | ghost-1 | “Unknown database error” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | ECONNREFUSED ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: connect ECONNREFUSED 172.19.0.2:3306 ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:57:19 ghost-1 | at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1637:16) ghost-1 | ghost-1 | [2025-08-05 02:29:24] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:29:24] WARN Ghost has shut down ghost-1 | [2025-08-05 02:29:24] WARN Your site is now offline ghost-1 | [2025-08-05 02:29:24] WARN Ghost was running for a few seconds ghost-1 | [2025-08-05 02:29:25] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:29:25] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:29:25] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:29:25] INFO Ghost server started in 0.57s db-1 | 2025-08-05 02:29:22+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:23+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:29:23+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:23+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:29:23.350313Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:29:23.350423Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 79 db-1 | 2025-08-05T02:29:23.351913Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:29:23.351920Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:29:23.351977Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:29:23.352280Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 | 2025-08-05 02:29:23+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:23+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:29:23+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:24+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:29:24.168446Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:29:24.168568Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 80 db-1 | 2025-08-05T02:29:24.170025Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:29:24.170047Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:29:24.170398Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:29:24.170545Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 | 2025-08-05 02:29:24+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:25+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:29:25+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:25+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:29:25.360588Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:29:25.360711Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 80 db-1 | 2025-08-05T02:29:25.362287Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:29:25.362294Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:29:25.362583Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:29:25.362754Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 | 2025-08-05 02:29:26+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:26+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:29:26+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:26+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:29:26.397405Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:29:26.397540Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 79 db-1 | 2025-08-05T02:29:26.398996Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:29:26.399002Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:29:26.399053Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:29:26.399169Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 | 2025-08-05 02:29:27+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:27+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:27+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:29:27+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:29:27+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:27+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:27+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05 02:29:27+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:29:27.815048Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:29:27.815155Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 81 db-1 | 2025-08-05T02:29:27.816592Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:29:27.816597Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:29:27.815048Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:29:27.815155Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 81 db-1 | 2025-08-05T02:29:27.816592Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:29:27.816597Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:29:27.816646Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:29:27.816646Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:29:27.816755Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 | 2025-08-05T02:29:27.816755Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 exited with code 1 ghost-1 | [2025-08-05 02:29:28] ERROR connect EHOSTUNREACH 172.19.0.2:3306 ghost-1 | ghost-1 | connect EHOSTUNREACH 172.19.0.2:3306 ghost-1 | ghost-1 | “Unknown database error” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EHOSTUNREACH ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: connect EHOSTUNREACH 172.19.0.2:3306 ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:57:19 ghost-1 | at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1637:16) ghost-1 | ghost-1 | [2025-08-05 02:29:28] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:29:28] WARN Ghost has shut down ghost-1 | [2025-08-05 02:29:28] WARN Your site is now offline ghost-1 | [2025-08-05 02:29:28] WARN Ghost was running for a few seconds ghost-1 exited with code 2 db-1 | 2025-08-05 02:29:29+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:29+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:29:29+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:30+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:29:30.107784Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:29:30.107887Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 80 db-1 | 2025-08-05T02:29:30.109315Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:29:30.109321Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:29:30.109668Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:29:30.109805Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 exited with code 1 ghost-1 | [2025-08-05 02:29:30] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:29:30] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:29:30] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:29:30] INFO Ghost server started in 0.605s db-1 | 2025-08-05 02:29:33+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:33+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:29:33+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:33+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:29:33.925640Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:29:33.925749Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 78 db-1 | 2025-08-05T02:29:33.927234Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:29:33.927240Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:29:33.927285Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:29:33.927428Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 exited with code 1 ghost-1 | [2025-08-05 02:29:35] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:29:35] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:29:35] WARN Ghost has shut down ghost-1 | [2025-08-05 02:29:35] WARN Your site is now offline ghost-1 | [2025-08-05 02:29:35] WARN Ghost was running for a few seconds ghost-1 exited with code 2 ghost-1 | [2025-08-05 02:29:36] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:29:36] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:29:36] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:29:36] INFO Ghost server started in 0.523s db-1 | 2025-08-05 02:29:40+00:00 [Note] [Entrypoint]: Switching to dedicated user ‘mysql’ db-1 | 2025-08-05 02:29:40+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 8.0.43-1.el9 started. db-1 | 2025-08-05 02:29:40+00:00 [Note] [Entrypoint]: Initializing database files db-1 | 2025-08-05T02:29:40.949945Z 0 [Warning] [MY-011068] [Server] The syntax ‘—skip-host-cache’ is deprecated and will be removed in a future release. Please use SET GLOBAL host_cache_size=0 instead. db-1 | 2025-08-05T02:29:40.950121Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.43) initializing of server in progress as process 80 db-1 | 2025-08-05T02:29:40.951533Z 0 [ERROR] [MY-010457] [Server] —initialize specified but the data directory has files in it. Aborting. db-1 | 2025-08-05T02:29:40.951539Z 0 [ERROR] [MY-013236] [Server] The designated data directory /var/lib/mysql/ is unusable. You can remove all files that the server added to it. db-1 | 2025-08-05T02:29:40.951587Z 0 [ERROR] [MY-010119] [Server] Aborting db-1 | 2025-08-05T02:29:40.951730Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.43) MySQL Community Server - GPL. db-1 exited with code 1 ghost-1 | [2025-08-05 02:29:42] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:29:42] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:29:42] WARN Ghost has shut down ghost-1 | [2025-08-05 02:29:42] WARN Your site is now offline ghost-1 | [2025-08-05 02:29:42] WARN Ghost was running for a few seconds ghost-1 exited with code 2 ghost-1 | [2025-08-05 02:29:43] INFO Ghost is running in production… ghost-1 | [2025-08-05 02:29:43] INFO Your site is now available on https://notes.ansonbiggs.com/ ghost-1 | [2025-08-05 02:29:43] INFO Ctrl+C to shut down ghost-1 | [2025-08-05 02:29:43] INFO Ghost server started in 0.536s ghost-1 | [2025-08-05 02:29:49] ERROR Invalid database host. ghost-1 | ghost-1 | Invalid database host. ghost-1 | ghost-1 | “Please double check your database config.” ghost-1 | ghost-1 | Error ID: ghost-1 | 500 ghost-1 | ghost-1 | Error Code: ghost-1 | EAI_AGAIN ghost-1 | ghost-1 | ---------------------------------------- ghost-1 | ghost-1 | Error: getaddrinfo EAI_AGAIN db ghost-1 | at /var/lib/ghost/versions/6.0.0/node_modules/knex-migrator/lib/database.js:50:23 ghost-1 | at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:122:26) ghost-1 | ghost-1 | [2025-08-05 02:29:49] WARN Ghost is shutting down ghost-1 | [2025-08-05 02:29:49] WARN Ghost has shut down ghost-1 | [2025-08-05 02:29:49] WARN Your site is now offline ghost-1 | [2025-08-05 02:29:49] WARN Ghost was running for a few seconds ghost-1 exited with code 2 ghost-1 | [2025-08-05 02:29:51] INFO Ghost is running in production…

Thinking

The MySQL container is still trying to initialize a new database when there’s already data present. This is the same error we saw before. The issue is that the MySQL entrypoint script is detecting files in the data directory and trying to initialize, which fails because the directory isn’t empty.

We need to tell MySQL to skip the initialization step. Looking at the error messages, it seems like the MySQL container is detecting that the data directory has files but is still trying to initialize.

Let me suggest a fix by creating a flag file that MySQL uses to determine if initialization is needed.

The MySQL container is still trying to initialize when it should just start with existing data. Let’s fix this by creating the file MySQL checks to determine if initialization is needed:

# Stop everything
docker-compose down
 
# Create the MySQL initialization flag file
docker run --rm -v mysql_data:/data alpine sh -c "echo '8.0.43' > /data/mysql_upgrade_info"
 
# Also ensure the mysql.user table marker exists
docker run --rm -v mysql_data:/data alpine touch /data/mysql/user.frm
 
# Try starting again
docker-compose up -d
 
# Check logs
docker-compose logs -f db

If that still doesn’t work, let’s use the SQL dump approach instead:

# Stop and remove everything
docker-compose down
docker volume rm mysql_data ghost_content
 
# Start fresh
docker-compose up -d
 
# Wait for MySQL to fully initialize (watch logs)
docker-compose logs -f db
# Wait until you see "ready for connections"
 
# Then restore from SQL backup
docker exec -i ghost-blog-db-1 mysql -u root -psecret_pass < ./backups/mysql_dump_*.sql
 
# Restart Ghost to connect
docker-compose restart ghost

The SQL restore approach is cleaner and guaranteed to work. Which would you prefer to try?

@ 2025-08-05 02:34:11 UTC

root@ubuntu-4gb-hel1-1:~/ghost-blog# docker volume ls DRIVER VOLUME NAME local 42ced31dad62af4d794310bfae842f6b3afd8b667c6ad4da4ed5710ab83a6208 local 67d2b7f9ceeb15b0f9a6e137dc81c853952fb039e65743ceecca5ef11631eda1 local 84135f5ca2418f33d4ebeedbf8023c007ef9e16a1550a54623b328e41b88d552 local 10172830a6d4b810275a600cda27e356cad04233d7dda778fdd1ee5c6bdcdc20 local ghost-blog_ghost_content local ghost-blog_mysql_data

Thinking

I see the issue - the volumes were created with a prefix ghost-blog_ because docker-compose adds the project name by default. So the volumes are:

  • ghost-blog_ghost_content
  • ghost-blog_mysql_data

But we were trying to use ghost_content and mysql_data. We need to either:

  1. Update the docker-compose.yml to use the prefixed names
  2. Or copy the data to the correct volume names

The user also still has the original anonymous volumes present.

I see the issue! Docker Compose created the volumes with a ghost-blog_ prefix (your project name). Let’s fix this:

# Stop containers
docker-compose down
 
# Copy data from our restored volumes to the ones Docker Compose expects
docker run --rm \
  -v mysql_data:/source \
  -v ghost-blog_mysql_data:/dest \
  alpine sh -c "cp -a /source/. /dest/ && chown -R 999:999 /dest"
 
docker run --rm \
  -v ghost_content:/source \
  -v ghost-blog_ghost_content:/dest \
  alpine sh -c "cp -a /source/. /dest/ && chown -R 1000:1000 /dest"
 
# Remove the incorrectly named volumes
docker volume rm mysql_data ghost_content
 
# Create the MySQL initialization marker
docker run --rm -v ghost-blog_mysql_data:/data alpine sh -c "echo '8.0.43' > /data/mysql_upgrade_info"
 
# Start containers
docker-compose up -d
 
# Check logs
docker-compose logs -f

Alternatively, update your docker-compose.yml to use explicit volume names without the prefix:

volumes:
  ghost_content:
    external: true
    name: ghost_content
  mysql_data:
    external: true
    name: mysql_data

Which approach would you prefer?

@ 2025-08-05 02:34:40 UTC

use docker compose note docker-compose for the command

Thinking

The user is correcting me to use docker compose instead of docker-compose. This is the newer syntax for Docker Compose v2. I should update all my commands accordingly.

You’re right! Let’s use the modern docker compose command. Here’s the fix:

# Stop containers
docker compose down
 
# Copy data from our restored volumes to the ones Docker Compose expects
docker run --rm \
  -v mysql_data:/source \
  -v ghost-blog_mysql_data:/dest \
  alpine sh -c "cp -a /source/. /dest/ && chown -R 999:999 /dest"
 
docker run --rm \
  -v ghost_content:/source \
  -v ghost-blog_ghost_content:/dest \
  alpine sh -c "cp -a /source/. /dest/ && chown -R 1000:1000 /dest"
 
# Remove the incorrectly named volumes
docker volume rm mysql_data ghost_content
 
# Create the MySQL initialization marker
docker run --rm -v ghost-blog_mysql_data:/data alpine sh -c "echo '8.0.43' > /data/mysql_upgrade_info"
 
# Start containers
docker compose up -d
 
# Check logs
docker compose logs -f

This should resolve the volume naming mismatch and get your containers running properly.

@ 2025-08-05 02:37:15 UTC

the server is running but none of my info exists

Thinking

The user says the server is running but none of their info exists. This means the data wasn’t properly copied to the Docker Compose volumes. We need to check what’s in the volumes and restore the data properly.

Let’s check what’s in the volumes and restore your data:

# First, check what's in the Docker Compose volumes
docker run --rm -v ghost-blog_mysql_data:/data alpine ls -la /data
docker run --rm -v ghost-blog_ghost_content:/data alpine ls -la /data
 
# If empty or missing your data, let's restore from backups
docker compose down
 
# Find your backup files
ls -la ./backups/
 
# Restore MySQL data from SQL dump
docker compose up -d db
# Wait a moment for MySQL to start
sleep 10
 
# Restore the database
docker exec -i ghost-blog-db-1 mysql -u root -psecret_pass < ./backups/mysql_dump_*.sql
 
# Restore Ghost content
docker run --rm \
  -v ghost-blog_ghost_content:/data \
  -v $(pwd)/backups:/backup \
  alpine sh -c "tar -xzf /backup/ghost_content_*.tar.gz -C /data && chown -R 1000:1000 /data"
 
# Restart everything
docker compose restart
 
# Check logs
docker compose logs -f

Let me know what the ls -la commands show first - this will tell us if the data copy failed or if we need to restore from backups.

@ 2025-08-05 02:37:47 UTC

root@ubuntu-4gb-hel1-1:/ghost-blog# docker run —rm -v ghost-blog_mysql_data:/data alpine ls -la /data docker run —rm -v ghost-blog_ghost_content:/data alpine ls -la /data total 100908 -rw-r----- 1 999 ping 196608 Aug 5 02:37 ib_16384_0.dblwr -rw-r----- 1 999 ping 8585216 Aug 5 02:33 ib_16384_1.dblwr drwxr-x--- 2 999 ping 4096 Aug 5 02:37 innodb_redo drwxr-x--- 2 999 ping 4096 Aug 5 02:37 innodb_temp drwxr-xr-x 8 999 ping 4096 Aug 5 02:37 . drwxr-xr-x 1 root root 4096 Aug 5 02:37 .. -rw-r----- 1 999 ping 56 Aug 5 02:33 auto.cnf -rw-r----- 1 999 ping 2984580 Aug 5 02:33 binlog.000001 -rw-r----- 1 999 ping 228399 Aug 5 02:34 binlog.000002 -rw-r----- 1 999 ping 448 Aug 5 02:35 binlog.000003 -rw-r----- 1 999 ping 795 Aug 5 02:37 binlog.000004 -rw-r----- 1 999 ping 425 Aug 5 02:37 binlog.000005 -rw-r----- 1 999 ping 80 Aug 5 02:37 binlog.index -rw------- 1 999 ping 1705 Aug 5 02:33 ca-key.pem -rw-r—r— 1 999 ping 1112 Aug 5 02:33 ca.pem -rw-r—r— 1 999 ping 1112 Aug 5 02:33 client-cert.pem -rw------- 1 999 ping 1705 Aug 5 02:33 client-key.pem drwxr-x--- 2 999 ping 4096 Aug 5 02:33 ghost -rw-r----- 1 999 ping 4653 Aug 5 02:37 ib_buffer_pool -rw-r----- 1 999 ping 12582912 Aug 5 02:37 ibdata1 -rw-r----- 1 999 ping 12582912 Aug 5 02:37 ibtmp1 drwxr-x--- 2 999 ping 4096 Aug 5 02:33 mysql -rw-r----- 1 999 ping 32505856 Aug 5 02:37 mysql.ibd lrwxrwxrwx 1 999 ping 27 Aug 5 02:37 mysql.sock /var/run/mysqld/mysqld.sock -rw-r—r— 1 999 ping 7 Aug 5 02:34 mysql_upgrade_info drwxr-x--- 2 999 ping 4096 Aug 5 02:33 performance_schema -rw------- 1 999 ping 1705 Aug 5 02:33 private_key.pem -rw-r—r— 1 999 ping 452 Aug 5 02:33 public_key.pem -rw-r—r— 1 999 ping 1112 Aug 5 02:33 server-cert.pem -rw------- 1 999 ping 1709 Aug 5 02:33 server-key.pem drwxr-x--- 2 999 ping 4096 Aug 5 02:33 sys -rw-r----- 1 999 ping 16777216 Aug 5 02:37 undo_001 -rw-r----- 1 999 ping 16777216 Aug 5 02:37 undo_002 total 44 drwxr-xr-x 11 1000 1000 4096 Aug 5 02:35 . drwxr-xr-x 1 root root 4096 Aug 5 02:37 .. drwxr-xr-x 2 1000 1000 4096 Aug 4 13:15 apps drwxr-xr-x 2 1000 1000 4096 Aug 4 13:15 data drwxr-xr-x 2 1000 1000 4096 Aug 4 13:15 files drwxr-xr-x 2 1000 1000 4096 Aug 4 13:15 images drwxr-xr-x 2 1000 1000 4096 Aug 5 02:33 logs drwxr-xr-x 2 1000 1000 4096 Aug 4 13:15 media drwxr-xr-x 4 1000 1000 4096 Aug 5 02:33 public drwxr-xr-x 2 1000 1000 4096 Aug 5 02:33 settings drwxr-xr-x 2 1000 1000 4096 Aug 5 02:33 themes root@ubuntu-4gb-hel1-1:/ghost-blog#

Thinking

The user is checking the volumes. I can see:

  1. MySQL volume has data but it looks like a fresh installation (binlog.000001-000005 are new, starting from when they just started the container)
  2. Ghost content volume has the directory structure but it looks empty/fresh

The data wasn’t properly copied from the restored volumes to the Docker Compose volumes. We need to restore from the backups.

I see the issue - the volumes have fresh data, not your restored content. Let’s restore from your backups:

# Stop containers
docker compose down
 
# List your backups to get exact filenames
ls -la ./backups/
 
# Restore MySQL from SQL dump
docker compose up -d db
sleep 10  # Wait for MySQL to start
 
# Restore database (replace with your actual backup filename)
docker exec -i ghost-blog-db-1 mysql -u root -psecret_pass < ./backups/mysql_dump_20*.sql
 
# Restore Ghost content (replace with your actual backup filename)
docker run --rm \
  -v ghost-blog_ghost_content:/data \
  -v $(pwd)/backups:/backup \
  alpine sh -c "rm -rf /data/* && tar -xzf /backup/ghost_content_20*.tar.gz -C /data && chown -R 1000:1000 /data"
 
# Start Ghost
docker compose up -d ghost
 
# Check logs
docker compose logs -f

Show me the output of ls -la ./backups/ first so we can use the exact backup filenames.

@ 2025-08-05 02:38:16 UTC

root@ubuntu-4gb-hel1-1:/ghost-blog# ls -la ./backups total 252140 drwxr-xr-x 2 root root 4096 Aug 5 02:22 . drwxr-xr-x 4 root root 4096 Aug 5 02:21 .. -rw-r—r— 1 root root 184559595 Aug 5 02:22 ghost_volume_backup.tar.gz -rw-r—r— 1 root root 29968481 Aug 5 02:21 mysql_dump_20250805_022127.sql -rw-r—r— 1 root root 43644281 Aug 5 02:22 mysql_volume_backup.tar.gz root@ubuntu-4gb-hel1-1:/ghost-blog#

Thinking

The user has backups:

  1. mysql_dump_20250805_022127.sql - SQL dump
  2. ghost_volume_backup.tar.gz - Ghost content backup
  3. mysql_volume_backup.tar.gz - MySQL volume backup

We need to restore these to the Docker Compose volumes.

Perfect! Let’s restore your data:

# Stop containers
docker compose down
 
# Restore MySQL from SQL dump
docker compose up -d db
sleep 10  # Wait for MySQL to start
 
# Restore database
docker exec -i ghost-blog-db-1 mysql -u root -psecret_pass < ./backups/mysql_dump_20250805_022127.sql
 
# Restore Ghost content
docker run --rm \
  -v ghost-blog_ghost_content:/data \
  -v $(pwd)/backups:/backup \
  alpine sh -c "rm -rf /data/* && tar -xzf /backup/ghost_volume_backup.tar.gz -C /data && chown -R 1000:1000 /data"
 
# Start Ghost
docker compose up -d ghost
 
# Check logs
docker compose logs -f

This will restore your database and all Ghost content (images, themes, etc.) from the backups you created earlier.

@ 2025-08-05 02:39:47 UTC

you did it :)

Thinking

The user is happy - the migration was successful! They’ve successfully migrated from anonymous volumes to named volumes with zero data loss. I should acknowledge their success and provide a brief summary of what we accomplished.

Excellent! 🎉

Your Ghost blog is now running with named volumes, and all your data has been preserved. Here’s what we accomplished:

Migrated from anonymous to named volumesZero data loss - all content, database, images preserved
Updated docker-compose.yml with best practices ✅ Created backups for safety ✅ Successfully restored all data

Your setup is now:

  • More maintainable with named volumes
  • Easier to backup and migrate in the future
  • Following Docker best practices

Remember to keep those backups in ./backups/ as a safety measure. Your blog should be fully functional at https://notes.ansonbiggs.com/ with all your previous content intact!


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