services: postgres: image: postgres:17 container_name: local-cal-postgres ports: - "5432:5432" environment: POSTGRES_USER: localcal POSTGRES_PASSWORD: localcal POSTGRES_DB: localcal volumes: - postgres_data:/var/lib/postgresql/data healthcheck: test: ["CMD-SHELL", "pg_isready -U localcal"] interval: 5s timeout: 5s retries: 5 volumes: postgres_data: