FROM frolvlad/alpine-glibc:alpine-3.13

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

ENV PORT=34197 \
    RCON_PORT=27015 \
    VERSION=0.15.40 \
    SHA1=f79a975f6b8c0ee87e2fa60f7d1f7133f332c3ec

RUN mkdir -p /opt \
    && apk add --update --no-cache tini pwgen \
    && 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_$VERSION.tar.xz --directory /opt \
    && chmod -R ugo=rwx /opt/factorio \
    && rm /tmp/factorio_headless_x64_$VERSION.tar.xz \
    && ln -s /factorio/saves /opt/factorio/saves \
    && ln -s /factorio/mods /opt/factorio/mods \
    && apk del .build-deps

VOLUME /factorio

EXPOSE $PORT/udp $RCON_PORT/tcp

COPY ./docker-entrypoint.sh /

ENTRYPOINT ["/sbin/tini", "--"]
CMD ["/docker-entrypoint.sh"]