FROM sapmachine:21-jre-headless-ubuntu


ENV WORKDIR_PATH=/workspace
ENV CONFIG_PATH=${WORKDIR_PATH}/config
ENV DATA_PATH=${WORKDIR_PATH}/data

ADD ./src ${CONFIG_PATH}
RUN  mkdir ${DATA_PATH}


RUN mkdir ${DATA_PATH}/logs && \
    ln -sf ${DATA_PATH}/logs ${CONFIG_PATH}

# Generate unicode locale so that cyrillic characters display properly
RUN apt-get update -y && apt-get install -y locales && \
    echo en_US.UTF-8 UTF-8 > /etc/locale.gen && \
    dpkg-reconfigure --frontend=noninteractive locales && \
    rm -Rf var/lib/apt/lists/*
ENV LANG en_US.UTF-8


VOLUME ${DATA_PATH}


EXPOSE 25565/tcp


ENV MEMORY=1G
ENV PROXY_SECRET=change_me


WORKDIR ${WORKDIR_PATH}/config

CMD \
    # Create and switch to user with desired UID and GID.
    # All processes that create/change files in ${DATA_PATH}
    # must be run under this user.
    groupadd -g ${GID} worker && \
    useradd -M -g ${GID} -u ${UID} worker && \
    chmod -R o-rwx ${WORKDIR_PATH} && \

    # Add proxy secret
    sed -i "s/_PROXY_SECRET_/${PROXY_SECRET}/g" settings.yml && \

    # Change UID and GID of used files to desired values.
    chown -R worker:worker ${WORKDIR_PATH} && \

    # Launch
    su worker -c "java -Xms${MEMORY} -Xmx${MEMORY} -jar *.jar --nogui"