version: '2.1'

services:

  hub:
    image: selenium/hub:3
    container_name: hub
    hostname: hub
    privileged: true
    ports:
      - 4444:4444
    volumes:
      - /dev/shm:/dev/shm
    environment:
      - GRID_MAX_SESSION=50
      - GRID_TIMEOUT=1800
      - GRID_DEBUG=true
