FROM debian:stable-slim

RUN apt-get update -y && apt-get install -y wget bzip2 libsdl1.2debian unzip

WORKDIR /src

# Download and extract soruce
RUN wget https://zandronum.com/downloads/zandronum3.0-linux-x86_64.tar.bz2
RUN tar xjf zandronum*.tar.bz2

# Extract libs used by server
RUN mkdir -p /export/libs
COPY extract_server.sh .
RUN bash ./extract_server.sh zandronum-server /export/libs
RUN cp libcrypto* /export/libs

# Copy server and required files to /export
RUN cp zandronum-server zandronum.pk3 /export/

# Download FreeDM WAD
RUN wget https://github.com/freedoom/freedoom/releases/download/v0.12.1/freedm-0.12.1.zip
RUN unzip freed*.zip
RUN cd freedm* && cp freedm.wad /export

# Libraries that aren't in busybox or alpines musl are needed :(
FROM debian:stable-slim

EXPOSE 10666/udp

RUN mkdir -p /srv
COPY --from=0 /export /srv
COPY server.cfg /srv
COPY entrypoint.sh /srv

RUN useradd -m zandronum
RUN chown -R zandronum /srv
USER zandronum

ENTRYPOINT /srv/entrypoint.sh