- !Image
  name: env36
  from: !DockerImage alpine:3.6
  repository: localhost/grpclib/env36
  tasks:
  - run: apk add --no-cache python3
  - run: pip3 install --no-cache-dir {{packages|join(" ")}}
    packages:
    - h2==3.0.1
    - protobuf==3.4.0
    - async-timeout==2.0.0
    - multidict==3.3.0


- !Command
  name: server
  image: env36
  run: python3 -m helloworld.server
  network-name: server
  environ:
    PYTHONPATH: example
  ports:
    - !Expose { port: 50051, as: 50051 }


- !Command
  name: client
  image: env36
  run: python3 -m helloworld.client
  environ:
    PYTHONPATH: example