docker-compose.yml

version: "3.6"

services:
  selenium-hub:
    image: selenium/hub:3.141.59
    ports:
      - 4444:4444
    volumes:
      - type: tmpfs
        target: /dev/shm
        tmpfs:
          size: 4096000000 # (4GB)

  chrome:
    image: selenium/node-chrome:3.141.59
    environment:
      HUB_HOST: selenium-hub
      HUB_PORT: 4444
      SCREEN_WIDTH: 1440
      SCREEN_HEIGHT: 900
    volumes:
      - type: tmpfs
        target: /dev/shm
        tmpfs:
          size: 4096000000 # (4GB)