FROM alpine:edge AS buildtools

ARG VERSION

RUN apk add git openjdk17 curl
RUN adduser -D buildtools

USER buildtools
WORKDIR /home/buildtools
RUN curl -o buildtools.jar https://hub.spigotmc.org/jenkins/job/BuildTools/lastSuccessfulBuild/artifact/target/BuildTools.jar

RUN java -jar buildtools.jar --rev $VERSION
RUN mv ./spigot-$VERSION.jar ./spigot.jar

FROM openjdk:latest AS minecraft-paper

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

USER games
WORKDIR /usr/games/minecraft-spigot
COPY --chown=games:users --from=buildtools /home/buildtools/spigot.jar ./spigot.jar

WORKDIR /usr/games/minecraft-spigot/data
CMD [ "java", "-jar", "../spigot.jar" ]