mc-router/docs/docker-compose.yml

version: '3.4'

services:
  vanilla:
    image: itzg/minecraft-server
    environment:
      EULA: "TRUE"
  forge:
    image: itzg/minecraft-server
    environment:
      EULA: "TRUE"
      TYPE: FORGE
  router:
    image: ${MC_ROUTER_IMAGE:-itzg/mc-router}
    environment:
      # enable API
      API_BINDING: ":25564"
    ports:
      - 25565:25565
      # bind the API port to only loopback to avoid external exposure
      - 127.0.0.1:25564:25564
    command: --mapping=vanilla.example.com=vanilla:25565,forge.example.com=forge:25565