minecraft server on docker

docker-compose.yml

version: '3'

services:
  minecraft:
    container_name: mc
    build:
      context: .
      dockerfile: Dockerfile
    restart: unless-stopped
    volumes:
      - '.:/mc'
    ports:
      - 25565:25565
    stdin_open: true
    tty: true

Dockerfile

FROM openjdk:18-slim-bullseye
WORKDIR /mc
CMD ["sh", "start.sh"]

start.sh

java -Xms8G -Xmx8G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -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 server.jar