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