CD of microservices session

buildkite.yml

steps:
  -
    name: "Run my tests"
    command: "ci/bin/test"
    agents:
      queue: test

  - wait

  -
    name: "Push docker image"
    command: "ci/bin/docker-tag"
    branches: "master"
    agents:
      queue: test

  - wait

  -
    name: "Deploy To Test"
    command: "deploy"
    branches: "master"
    env:
      DEPLOYMENT_ENV: test
    agents:
      queue: test

  - block

  - name: "Deploy to Production"
    command: "deploy"
    branches: "master"
    env:
      DEPLOYMENT_ENV: production
    agents:
      queue: production

docker-compose.yml

db:
  image: postgres:9.4
  ports:
    - "5432"

web:
  build: .
  command: ./bin/run
  volumes:
    - .:/app
  ports:
    - "3000:3000"

dev:
  extends:
    file: docker-compose.yml
    service: web
  links:
    - db
  environment:
    - RAILS_ENV=development

ci:
  extends:
    file: docker-compose.yml
    service: web
  links:
    - db
  environment:
    - RAILS_ENV=test

Dockerfile

FROM ubuntu-ruby2.3:latest

RUN apt-get update -y

RUN apt-get install -y libpq-dev nodejs git

WORKDIR /app

ADD Gemfile /app/Gemfile
ADD Gemfile.lock /app/Gemfile.lock
RUN bundle install --jobs 8 --retry 3

ADD . /app

EXPOSE 80

CMD ["bin/run"]