FROM openjdk:8u242-jdk-buster

LABEL Maintainer="Wolfgang Hottgenroth <wolfgang.hottgenroth@icloud.com>"
LABEL ImageName="registry.gitlab.com/wolutator/bukkit-docker"
LABEL AlternativeImageName="wollud1969/bukkit-docker"

ARG BUKKIT_VERSION
ARG BUILD_DIR=/minecraft-build
ARG APP_DIR=/minecraft
ARG USER=minecraft
ARG UID=25565

RUN \
  mkdir $BUILD_DIR && cd $BUILD_DIR && \
  wget -O BuildTools.jar https://hub.spigotmc.org/jenkins/job/BuildTools/lastSuccessfulBuild/artifact/target/BuildTools.jar && \
  java -jar BuildTools.jar --rev $BUKKIT_VERSION && \
  mkdir $APP_DIR && cd $APP_DIR && \  
  cp $BUILD_DIR/spigot-*.jar $APP_DIR/spigot.jar && \
  useradd -d $APP_DIR -u $UID $USER

VOLUME /data
EXPOSE 25565
WORKDIR /data
USER $UID:$UID

CMD [ "java", "-jar", "$APP_DIR/spigot.jar" ]