name: myportfolio services: proxy: build: context: . dockerfile: Dockerfile target: portfolio-proxy ports: - name: proxy-port target: 80 published: "80" protocol: tcp app_protocol: http mode: host web: build: context: . dockerfile: Dockerfile target: portfolio-web expose: - "8080/tcp" volumes: - portfolio-www:/www volumes: portfolio-www: external: true name: portfolio-www