docker-compose.yml

version: '3.8'
services:
  node1:
    build:
      context: .
      dockerfile: Dockerfile.validator
    environment:
      - REDIS_PERSONAL_NS=yourname-local
      - OD_NODESERVER_EXTERNAL_IP=yourhost  # This cannot be localhost, 127.0.0.1, 0.0.0.0, etc., because those won't resolve to the host machine from within the container.
      - OD_NODESERVER_EXTERNAL_PORT=5555
      - OD_NODESERVER_PORT=5555
    networks:
      - n1
    ports:
      - "5555:5555"  # For now, these should be the same because requests within the container to itself are not routed through the host machine and therefore the port mapping does not apply.

  node2:
    build:
      context: .
      dockerfile: Dockerfile.validator
    environment:
      - REDIS_PERSONAL_NS=yourname-local
      - OD_NODESERVER_EXTERNAL_IP=yourhost  # This cannot be localhost, 127.0.0.1, 0.0.0.0, etc., because those won't resolve to the host machine from within the container.
      - OD_NODESERVER_EXTERNAL_PORT=5556
      - OD_NODESERVER_PORT=5556
    networks:
      - n2
    ports:
      - "5556:5556"  # For now, these should be the same because requests within the container to itself are not routed through the host machine and therefore the port mapping does not apply.

  node3:
    build:
      context: .
      dockerfile: Dockerfile.validator
    environment:
      - REDIS_PERSONAL_NS=yourname-local
      - OD_NODESERVER_EXTERNAL_IP=yourhost  # This cannot be localhost, 127.0.0.1, 0.0.0.0, etc., because those won't resolve to the host machine from within the container.
      - OD_NODESERVER_EXTERNAL_PORT=5557
      - OD_NODESERVER_PORT=5557
    networks:
      - n3
    ports:
      - "5557:5557"  # For now, these should be the same because requests within the container to itself are not routed through the host machine and therefore the port mapping does not apply.

# Trying to keep the containers on separate networks to force them to communicate through the host machine. Not sure if it helps...
networks:
  n1:
    driver: bridge
  n2:
    driver: bridge
  n3:
    driver: bridge