services:
  mc:
    # make sure this java version matches with pack java version
    image: itzg/minecraft-server:java25
    tty: true
    stdin_open: true
    ports:
      - "25565:25565"
    environment:
      EULA: "TRUE"
      TYPE: CUSTOM
      GENERIC_PACKS: GT_New_Horizons_2.8.0_Server_Java_17-25
      GENERIC_PACKS_SUFFIX: .zip
      GENERIC_PACKS_PREFIX: https://downloads.gtnewhorizons.com/ServerPacks/
      # if this isn't true, then the container tries to download the modpack every run
      SKIP_GENERIC_PACK_UPDATE_CHECK: "true"
      MEMORY: 6G
      # Make sure that this matches what is in your pack's startserver bash file
      JVM_OPTS: "-Dfml.readTimeout=180 @java9args.txt"
      # You may choose to instead download a specific jar version yourself, and change this value to the local jar.
      # Refer to https://docker-minecraft-server.readthedocs.io/en/latest/configuration/misc-options/#running-with-a-custom-server-jar
      CUSTOM_SERVER: "https://github.com/GTNewHorizons/lwjgl3ify/releases/download/2.1.16/lwjgl3ify-2.1.16-forgePatches.jar"
      # Set server.properties according to GTNH server defaults
      MOTD: "GT:New Horizons 2.8.0"
      DIFFICULTY: "hard"
      ENABLE_COMMAND_BLOCK: "true"
      SPAWN_PROTECTION: 1
      VIEW_DISTANCE: 8
      MODE: 0
      LEVEL_TYPE: "rwg"
      ALLOW_FLIGHT: "TRUE"
    volumes:
      # attach a managed volume, change to a relative or absolute host directory if needed
      - mc-data:/data
volumes:
  mc-data: