docker-compose.yml

version: '3'

services:
  container1:
    image: alpine
    command: /bin/sh -c "apk update && apk add socat && socat -u UDP4-RECVFROM:12345,ip-add-membership=239.0.0.1:0.0.0.0,fork,reuseaddr -"
    container_name: container1
    networks:
      my_multicast_network:

  container2:
    image: ww-load-balancer
    command: /bin/sh
    tty: true
    stdin_open: true
    container_name: container2
    networks:
      my_multicast_network:
    ports:
      - "8080:8080"

  container3:
    image: ww-load-balancer
    command: /bin/sh
    tty: true
    stdin_open: true
    container_name: container3
    networks:
      my_multicast_network:

  container4:
    image: ww-load-balancer
    command: /bin/sh
    tty: true
    stdin_open: true
    container_name: container4
    networks:
      my_multicast_network:

networks:
  my_multicast_network:
    driver: bridge
    driver_opts:
      com.docker.network.bridge.enable_icc: "true"