FROM alpine:latest
ARG VERSION
RUN mkdir -p /opt/server
WORKDIR /opt/server
RUN apk add openjdk21 jq curl
RUN if [[ -z $VERSION ]] ; then VERSION=$(curl https://meta.fabricmc.net/v2/versions/game | jq -r '[(.[]|select(.stable))][0].version'); fi;\
  if [[ -z $LOADER ]] ; then LOADER=$(curl https://meta.fabricmc.net/v2/versions/loader | jq -r '[(.[]|select(.stable))][0].version'); fi;\
  if [[ -z $INSTALLER ]] ; then INSTALLER=$(curl https://meta.fabricmc.net/v2/versions/installer | jq -r '[(.[]|select(.stable))][0].version'); fi;\
  curl -o ../server.jar https://meta.fabricmc.net/v2/versions/loader/${VERSION}/${LOADER}/${INSTALLER}/server/jar
COPY eula.txt eula.txt
RUN adduser -D minecraft -h /opt/server
RUN chmod 550 ../server.jar  && chown -R minecraft:minecraft /opt/server && chmod -R 770 /opt/server && chown minecraft:minecraft ../server.jar
USER minecraft:minecraft
ENTRYPOINT [ "java", "-jar",  "../server.jar", "nogui" ]
EXPOSE 25565/tcp
LABEL type=GAME