docker-compose

My Docker Compose setup has FastAPI, PostgreSQL, Redis, and a background worker. The services need to talk to each other. I am confused about when to use service names vs localhost, and how ports work...

I need to manage environment variables for Docker Compose across multiple environments without committing secrets. I want .env file support with per-environment overrides.

I have Redis and a Python background worker in Docker Compose. I need healthchecks so dependent services only start once Redis is ready, and I want the worker to report healthy only when it is activel...

I want to use a base docker-compose.yml for common configuration and override files for environment-specific settings (development with hot reload, production with resource limits, CI with test setup)...

Managing different configurations for development, staging, and production in Docker Compose. Hardcoding environment variables in compose files leads to secrets in version control and different config...

Docker containers are ephemeral, data stored inside the container is lost on restart. Need to persist PostgreSQL data, handle Redis persistence, and share files between containers. Confusion between n...

Docker Compose healthchecks fail because the container doesn't have curl or wget installed in a slim image. Need a working healthcheck that works in minimal Alpine and Debian-slim images, and handles ...

Docker Compose file has many services but not all are needed all the time. Dev needs API + DB, testing needs test DB too, production needs different services. Maintaining separate compose files leads ...

In a FastAPI + Alembic project using Docker Compose Postgres, `alembic upgrade head` failed with `Can't locate revision identified by '<id>'` because the local `alembic_version` table referenced an ol...