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services: app: depends_on: db: condition: service_healthy db: image: postgres healthcheck: test: ["CMD-SHELL", "pg_isready -U postgres"] interval: 5s retries: 5

volumes: db_data:

logs -f # Follow logs logs --tail=100 api # Last 100 lines of 'api' exec api bash # Interactive shell ps # Show status top # Show running processes a developer's essential guide to docker compose pdf

build --no-cache # Rebuild images pull # Pull latest images push # Push built images "pg_isready -U dev"] interval: 10s

Start with debug tools: docker compose --profile debug up a developer's essential guide to docker compose pdf

redis: image: redis:alpine ports: - "6379:6379"

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