FROM openjdk:8-jre-slim EXPOSE 25565 ARG MINECRAFT=1.7.10 ARG FORGE=10.13.4.1641 ENV \ ForgeUrl1=http://files.minecraftforge.net/maven/net/minecraftforge/forge/${MINECRAFT}-${FORGE}/forge-${MINECRAFT}-${FORGE}-installer.jar \ ForgeUrl2=http://files.minecraftforge.net/maven/net/minecraftforge/forge/${MINECRAFT}-${FORGE}-${MINECRAFT}/forge-${MINECRAFT}-${FORGE}-${MINECRAFT}-installer.jar \ InstallerJar=forge-${MINECRAFT}-${FORGE}-installer.jar ENV \ INSTDIR=/usr/share/minecraft \ RUNDIR=/minecraft RUN useradd -U -d /minecraft -m forge WORKDIR $INSTDIR # Since the URL schema changed, we need to try both after another. # Prepare the server files and remove the installer. # The EULA needs to be present, so we also accept it at this point. # The remaining jar beginning with forge-* is the launcher (multiple names # possible), so we will symlink it to forge.jar for convenience. RUN ( wget -O ${InstallerJar} ${ForgeUrl1} || wget -O ${InstallerJar} ${ForgeUrl2} ) && \ echo "eula=true" > eula.txt && \ java -jar ./${InstallerJar} --installServer && rm -f ${InstallerJar} && \ ln -s "forge-${MINECRAFT}-*.jar" forge.jar || exit 2 COPY entrypoint.sh /usr/bin WORKDIR $RUNDIR VOLUME ["/minecraft"] ENTRYPOINT ["/usr/bin/entrypoint.sh"]