codeship-services.yml

app1:
  image: busybox
  command: sleep 1m
  ports:
    - '1234'
  links:
    - app2

app2:
  image: alpine
  command: sleep 1m
  ports:
    - '5678'
  volumes:
    - ./tmp:/tmp

docker:
  build: .
  add_docker: true
  volumes:
    - ./tmp:/tmp
  links:
    - app1