services: db: image: postgres:16-alpine ports: - "5432:5432" environment: POSTGRES_USER: dragons POSTGRES_PASSWORD: stash POSTGRES_DB: dragonsstash volumes: - postgres_dev_data:/var/lib/postgresql/data healthcheck: test: ["CMD-SHELL", "pg_isready -U dragons -d dragonsstash"] interval: 10s timeout: 5s retries: 5 volumes: postgres_dev_data: