API/docker-compose.yml at main · osulp/API · GitHub

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version: '2.3'

volumes:
  app:

networks:
  external:
  internal:

services:
  ##
  # Basic image for the rails application server, see Dockerfile
  app:
    build: .
    environment:
      - RAILS_ENV=${RAILS_ENV}
    volumes:
      - .:/data
      - app:/data/tmp/uploads
    networks:
      internal:

  ##
  # Run the application in the currently set RAILS_ENV, set to development by default in the .env file.
  web:
    extends: app
    # Ideally we will replace this set of commands with an entrypoint script that checks to see if these
    # have been run already have been run and if so it just starts the server without the first three commands
    # taking time to run.
    command: >
      bash -c "rm -f tmp/pids/server.pid
      && bundle exec rails server -p 3000 -b '0.0.0.0' -e ${RAILS_ENV}"
    expose:
      - 3000


  ##
  # Load balancer, although not strictly necessary.. would allow the app to work with regular port 80
  lb:
    image: dockercloud/haproxy:1.5.3
    links:
      - web
    environment:
      - DOCKER_TLS_VERIFY
      - DOCKER_HOST
      - DOCKER_CERT_PATH
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      # You must uncomment this line if and only if you are running docker-machine
      # - $DOCKER_CERT_PATH:$DOCKER_CERT_PATH
    networks:
      internal:
      external: