FROM alpine
ARG VERSION=1.20.2
RUN apk update && apk add openjdk17 wget
RUN mkdir -p /opt/server
WORKDIR /opt/server
COPY forge-${VERSION}-installer.jar /opt
RUN java -jar /opt/forge-${VERSION}-installer.jar --installServer .
COPY eula.txt .
RUN adduser -S minecraft minecraft
RUN chown -R minecraft /opt/server && chown -R root /opt/server/libraries /opt/server/run.sh /opt/server/user_jvm_args.txt
USER minecraft
EXPOSE  25565
ENTRYPOINT [ "/opt/server/run.sh" ]
LABEL type=GAME