version: "3" volumes: db-data: services: db: image: postgres:12 volumes: - db-data:/var/lib/postgresql/data environment: - POSTGRES_DB=$DB_NAME - POSTGRES_PASSWORD=$DB_PASSWORD web: build: context: .. dockerfile: docker/Dockerfile env_file: - .env ports: - 8000:8000 depends_on: - db command: bash -c 'while !