entrypoint.sh

#!/bin/bash

handle_shutdown() {
    echo "SIGTERM RECEIVED: SHUTTING DOWN"
    rcon-cli -c /etc/rcon.yaml stop
    while [[ true ]]; do
        if [[ ! $(ps aux | grep java | grep -v grep) ]]; then
            # Wait
            echo "Server Shutdown Complete"
            exit 0
        fi
    done
}

trap "handle_shutdown" HUP INT QUIT TERM SIGINT SIGTERM

java -Xms6G -Xmx6G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -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 --nogui & wait