test.json

{
  "version": 1,
  "dns": [
    "host"
  ],
  "services": {
    "extbuild": {
      "extends": {
        "file": "./reference-model-base/reference-model-base.yml",
        "service": "baseselfbuilt"
      }
    },
    "extservice": {
      "extends": {
        "file": "./reference-model-base/reference-model-base.yml",
        "service": "baseservice"
      },
      "env_file": [
        "./extended.env"
      ],
      "environment": {
        "ADDITIONALVAR": "val",
        "MYVAR1": "MYVALFROMFILE_OVERWRITTEN_IN_ENVIRONMENT"
      },
      "ports": [
        {
          "target": 80,
          "published":  "80",
          "protocol": "tcp"
        },
        {
          "target": "25",
          "published": "25",
          "protocol": "tcp"
        }
      ],
      "mounts": {
        "/etc/additional.cf": "./additional.cf"
      }
    },
    "myservice": {
      "image": "docker://owncloud:latest",
      "entrypoint": [
        "entrypoint.sh"
      ],
      "env_file": [
        "./extended.env"
      ],
      "environment": {
        "HTTP_HOST": "myservice.example.org",
        "HTTP_PORT": "5550",
        "MYVAR1": "MYVALFROMFILE_OVERWRITTEN_IN_ENVIRONMENT"
      },
      "ports": [
        {
          "target": "5555",
          "published": "3330",
          "protocol": "tcp"
        },
        {
          "target": "5556",
          "published": "3331",
          "protocol": "tcp"
        },
        {
          "target": "5557",
          "published": "3332",
          "protocol": "tcp"
        },
        {
          "target": "5558",
          "published": "3333",
          "protocol": "tcp"
        },
        {
          "target": "3330",
          "published": "2220",
          "protocol": "udp"
        },
        {
          "target": "3331",
          "published": "2221",
          "protocol": "udp"
        }
      ]
    },
    "selfbuilt1": {
      "build": {
        "context": "./docker-build"
      }
    },
    "selfbuilt2": {
      "build": {
        "context": "./docker-build",
        "dockerfile": "Dockerfile-alternate",
        "args": {
          "buildno": "1",
          "featureenabled": "true",
          "myprop": "myvalue"
        }
      }
    }
  },
  "volumes": {
    "datavol": {
      "source": "./volumes/datavol",
      "kind": "host",
      "readonly": "false"
    }
  },
  "shared_keys": {
    "http/myservice.example.org": "myservice:5550"
  }
}