FROM openjdk:latest

ARG VERSION

RUN mkdir /usr/games/minecraft-purpur /usr/games/minecraft-purpur/data
RUN chown -R games /usr/games

USER games
WORKDIR /usr/games/minecraft-purpur
RUN curl -o purpur.jar https://api.purpurmc.org/v2/purpur/$VERSION/latest/download

WORKDIR /usr/games/minecraft-purpur/data
CMD java -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 -Dcom.mojang.eula.agree=true -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true -jar ../purpur.jar