docker-compose.yaml

version: '3.8'

services:
  daikombat-game-server:
    image: ghcr.io/beverly-hills-money-gangster/daikombat_server:${TAG}
    restart: "always"
    volumes:
      - ./jvmheap:/app/jvmheap
    env_file:
      - configs.env
    command:
      [ "java",
        # configure JMX remote
        "-Dcom.sun.management.jmxremote.local.only=false",
        "-Dcom.sun.management.jmxremote.ssl=false",
        "-Dcom.sun.management.jmxremote.authenticate=false",
        "-Dcom.sun.management.jmxremote.port=9999",
        "-Dcom.sun.management.jmxremote.rmi.port=9999",
        "-Dcom.sun.management.jmxremote.host=0.0.0.0",
        "-Djava.rmi.server.hostname=127.0.0.1",
        # drop a heap dump file on OOM
        "-XX:+HeapDumpOnOutOfMemoryError",
        "-XX:HeapDumpPath=/app/jvmheap",
        "-jar", "server.jar" ]
    ports:
      - "0.0.0.0:7777:7777" # default server port. exposed to public internet
      - "127.0.0.1:9999:9999" # JMX port. localhost only