FROM frolvlad/alpine-glibc:alpine-3.11

LABEL maintainer="https://github.com/factoriotools/factorio-docker"

ARG USER=factorio
ARG GROUP=factorio
ARG PUID=845
ARG PGID=845

ENV PORT=34197 \
    RCON_PORT=27015 \
    VERSION=0.16.51 \
    SHA1=127e7ff484ab263b13615d6114013ce0a66ac929 \
    SAVES=/factorio/saves \
    CONFIG=/factorio/config \
    MODS=/factorio/mods \
    SCENARIOS=/factorio/scenarios \
    SCRIPTOUTPUT=/factorio/script-output \
    PUID="$PUID" \
    PGID="$PGID"

RUN mkdir -p /opt /factorio \
    && apk add --update --no-cache pwgen su-exec shadow \
    && apk add --update --no-cache --virtual .build-deps curl \
    && curl -sSL https://www.factorio.com/get-download/$VERSION/headless/linux64 \
        -o /tmp/factorio_headless_x64_$VERSION.tar.xz \
    && echo "$SHA1  /tmp/factorio_headless_x64_$VERSION.tar.xz" | sha1sum -c \
    && tar xf /tmp/factorio_headless_x64_$VERSION.tar.xz --directory /opt \
    && chmod ugo=rwx /opt/factorio \
    && rm /tmp/factorio_headless_x64_$VERSION.tar.xz \
    && ln -s $SAVES /opt/factorio/saves \
    && ln -s $MODS /opt/factorio/mods \
    && ln -s $SCENARIOS /opt/factorio/scenarios \
    && ln -s $SCRIPTOUTPUT /opt/factorio/script-output \
    && apk del .build-deps \
    && addgroup -g $PGID -S $GROUP \
    && adduser -u $PUID -G $GROUP -s /bin/sh -SDH $USER \
    && chown -R $USER:$GROUP /opt/factorio /factorio

VOLUME /factorio

EXPOSE $PORT/udp $RCON_PORT/tcp

COPY files/ /

ENTRYPOINT ["/docker-entrypoint.sh"]