version: "3.9" services: backend: build: ./backend ports: - "8000:8000" volumes: - ./backend:/app environment: - DATABASE_URL=postgresql+asyncpg://postgres:postgres@db:5432/packlist db: image: postgres:15 environment: POSTGRES_USER: postgres POSTGRES_PASSWORD: postgres POSTGRES_DB: packlist volumes: - db_data:/var/lib/postgresql/data volumes: db_data: