docker-compose.yml

version: '3'
services:
  sessions:
    build:
      context: .
      dockerfile: Dockerfile
    command: ["/selenium.jar", "sessions", "-p", "4001"]
    ports:
      - "4001:4001"
  distributor:
    build:
      context: .
      dockerfile: Dockerfile
    command: ["/selenium.jar", "distributor", "-p", "4000"]
    ports:
      - "4000:4000"
      - "4442:4442"
      - "4443:4443"
    depends_on:
      - sessions
  router:
    build:
      context: .
      dockerfile: Dockerfile
    command: ["/selenium.jar", "router", "-p", "4444", "-s", "http://sessions:4001", "-d", "http://distributor:4000"]
    ports:
      - "4444:4444"
    depends_on:
      - sessions
      - distributor

To create:

./buckw build grid-tng
cp ./buck-out/gen/java/server/src/org/openqa/selenium/grid/selenium.jar selenium.jar
docker-compose build
docker-compose up

You can add a node using:

java -jar ./selenium.jar node -s http://localhost:4001 -d http://localhost:4000 --detect-drivers