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Docker Compose FAQ

High-frequency implementation questions from teams deploying application, database, and reverse proxy stacks in production.

How do I pick the first database for an app stack?

Start with the officially supported database for that app and your team familiarity. If both MySQL and PostgreSQL are available, prioritize operational consistency with your existing backups and monitoring.

When should I use Traefik instead of Nginx or Caddy?

Use Traefik when you run many services and want label-driven routing with dynamic discovery. Nginx and Caddy are often simpler for a small number of static routes.

Do generated stacks include production security defaults?

The generated stacks are deployment-ready baselines. You should still set strong secrets, isolate networks, configure TLS certificates, and add container resource limits.

Can I add Redis, workers, or object storage to these stacks?

Yes. Treat each generated stack as a core template, then append additional services for queue workers, caches, and backups based on your workload.

How should I version-control docker-compose output?

Commit generated compose files with environment placeholders, then keep secrets outside git. Use one directory per environment and review changes via pull requests.

What is the safest migration path between proxies?

Deploy the target proxy in parallel, mirror routing and health checks, validate headers and websocket behavior, then cut traffic and remove old ingress.

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