version: "3" services: web: build: . env_file: - .env volumes: - .:/var/www/html networks: - backend ports: - 4545:80 restart: always depends_on: - db db: image: postgres:10-alpine environment: POSTGRES_DB: tissue POSTGRES_USER: tissue POSTGRES_PASSWORD: tissue volumes: - db:/var/lib/postgresql/data networks: - backend restart: always networks: backend: volumes: db: