services:
  minecraft:
    image: openjdk:17-jre  # 使用 JRE 版本的镜像
    container_name: minecraft-server
    working_dir: /mc-server
    environment:
      - MAX_MEMORY=7G        # 设置最大内存为 10GB
      - MIN_MEMORY=7G        # 将最小内存也设置为 10GB，确保不会低于该值
      - TZ=Asia/Shanghai
    volumes:
      - ${MC_DIR}:/mc-server
    command: >
      java -Xms${MIN_MEMORY} -Xmx${MAX_MEMORY} -XX:MaxRAM=8G 
      -XX:MetaspaceSize=256m -XX:MaxMetaspaceSize=512m
      -XX:MaxDirectMemorySize=2G
      -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 
      -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC 
      -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 
      -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=15 -XX:G1HeapWastePercent=5 
      -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 
      -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 
      -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 
      -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true 
      -jar ${JAR_FILE} nogui
    ports:
      - "25565:25565"
    stdin_open: true
    tty: true
    restart: always
    # mem_limit: 10G          # 设置容器的内存限制为 10GB
    # memswap_limit: 10G      # 禁止使用 swap，并确保总内存不超过 10GB
    # oom_score_adj: -1000
    stop_grace_period: 120s  # 设置关闭宽限期为 120 秒