version: "3" services: app: image: app:slim build: app expose: - "5000" ports: - "5000:5000" networks: webnet: aliases: - app webserver: image: webserver:slim build: webserver expose: - "80" - "443" ports: - "80:80" - "443:443" networks: webnet: aliases: - www depends_on: - app networks: webnet: