services:

  web:

    labels:

      com.example.description: "Accounting web app"

docker-compose build

docker stack services stack_name

docker kill $(docekr ps -q )

web:

  # build from Dockerfile

  build: .

docker service ls

# build from custom Dockerfile

  build:

    context: ./dir

    dockerfile: Dockerfile.dev

# build from image

  image: ubuntu

  image: ubuntu:14.04

  image: tutum/influxdb

  image: example-registry:4000/postgresql

  image: a4bc65fd

# expose ports to linked services (not to host)

  expose: ["3000"]

# command to execute

  command: bundle exec thin -p 3000

  command: [bundle, exec, thin, -p, 3000]

# override the entrypoint

  entrypoint: /app/start.sh

  entrypoint: [php, -d, vendor/bin/phpunit]