version: '3.8'

services:

  chrome:
    image: selenium/node-chrome:4
    ports:
      - "5900:5900"
      - "7900:7900"
    environment:
      - SE_EVENT_BUS_HOST=hub
      - SE_EVENT_BUS_PUBLISH_PORT=4442
      - SE_EVENT_BUS_SUBSCRIBE_PORT=4443
      - SE_NODE_OVERRIDE_MAX_SESSIONS=true
      - SE_NODE_MAX_SESSIONS=4
      - SE_NODE_SESSION_TIMEOUT=180
      - START_XVFB=true
      - VNC_NO_PASSWORD=1
      - VNC_VIEW_ONLY=1
    extra_hosts:
      - hub:x.x.x.x
    shm_size: 2gb
    restart: unless-stopped