hub:
  image: selenium/hub:2.53.1-beryllium
  ports:
    - "4446:4444"
  environment:
    - GRID_MAX_SESSION=5
  restart: always

firefox:
  image: selenium/node-firefox-debug:2.53.1-beryllium
  environment:
    - FIREFOX_VERSION=45.8.0
    - NODE_MAX_INSTANCES=10
    - NODE_MAX_SESSION=10
  ports:
    - "5921:5900"
  links:
    - hub
  restart: always

chrome:
  image: selenium/node-chrome-debug:2.53.1-beryllium
  environment:
    - NODE_MAX_INSTANCES=10
    - NODE_MAX_SESSION=10
  ports:
    - "5922:5900"
  links:
    - hub
  restart: always