FROM alpine
ARG VERSION=1.20.2
RUN apk update && apk add openjdk8 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 .
COPY old_entry_point.sh /entrypoint.sh
RUN chmod 700 /entrypoint.sh
RUN rm forge*installer* && mv forge*.jar forge-server.jar
EXPOSE  25565/tcp
ENTRYPOINT [ "/entrypoint.sh" ]
LABEL type=GAME