Use docker compose config to validate and see the final resolved Compose configuration. 10. Docker Compose Cheat Sheet (Pull-out Section) Start/Stop
Use a wait-script or dockerize inside your app. 8. Development vs. Production Compose Files Approach 1: Override file a developer's essential guide to docker compose pdf
db: image: postgres:15 environment: POSTGRES_USER: dev POSTGRES_PASSWORD: devpass POSTGRES_DB: myapp volumes: - db_data:/var/lib/postgresql/data healthcheck: test: ["CMD-SHELL", "pg_isready -U dev"] interval: 10s Use docker compose config to validate and see
docker compose down --rmi all # Remove images too docker system prune -a # Deep clean (careful!) Compose Watch (Docker Compose 2.22+) Automatically rebuild and restart on file changes – replaces hot-reload tools. a developer's essential guide to docker compose pdf
services: app: # always starts debug-tools: profiles: ["debug"] image: nicolaka/netshoot