FROM alpine as build

RUN echo 'http://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories
RUN apk --no-cache add autoconf automake gcc git make musl-dev sdl2-dev sdl2_mixer-dev sdl2_net-dev

WORKDIR /src/

ARG VERSION=5.11.1

RUN git clone -b crispy-doom-${VERSION} --depth 1 https://github.com/fabiangreffrath/crispy-doom
RUN cd crispy-doom && ./autogen.sh && make

FROM alpine

RUN echo 'http://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories
RUN apk --no-cache add sdl2 sdl2_mixer sdl2_net tini

EXPOSE 2342/udp

COPY --from=build /src/crispy-doom/src/crispy-server /usr/local/bin/crispy-server

RUN adduser -D doom
USER doom

COPY ./entrypoint.sh .

# Using tini here because the crispy-doom process does not respect signals
ENTRYPOINT ["tini", "--", "/entrypoint.sh"]