Learn DOCKER-COMPOSE with Real Code Examples

Use lightweight images for faster startup

Limit container resource usage for stability

Avoid excessive linked volumes for speed

Use `docker-compose up --build` when changing Dockerfiles

Monitor container health for long-running services

Store secrets in `.env` or Docker secrets

Avoid running containers as root

Limit exposed ports to only necessary services

Use trusted base images

Update images regularly to patch vulnerabilities

Docker logs for container output

Docker stats for resource usage

Third-party monitoring tools integration

Health checks in Compose for service readiness

Portainer or cAdvisor for visualization

Consistent YAML formatting

Modular Compose files with overrides

Version control Compose and Dockerfiles

Document service roles and dependencies

Test container startup and health checks