Docker Operations Tips

Useful Checks

docker ps
docker compose ps
docker system df

Housekeeping

• Prefer Compose files checked into source control.
• Pin image versions for services that matter.
• Keep persistent data in named volumes or explicit host paths.
• Back up application data before pruning unused resources.

Troubleshooting Flow

1. Check container status.
2. Read recent logs.
3. Confirm environment variables and mounted files.
4. Validate network reachability between dependent services.