FROM rust:stretch as build

ARG BRANCH=master

WORKDIR /usr/src/spotifyd

RUN dpkg --add-architecture i386
RUN apt-get -yqq update && apt-get upgrade -yqq && \
    apt-get install -yqq libasound2-dev && \
    apt-get install -yqq apt-utils pulseaudio libpulse-dev build-essential libpulse0 libpulse0:i386
RUN ldconfig

RUN git clone --depth=1 --branch=${BRANCH} https://github.com/Spotifyd/spotifyd.git . && sed '/let shared_spirc = Rc::new(spirc);/a mixer.set_volume(50);' src/main_loop.rs

RUN cargo build --release --features pulseaudio_backend

FROM alpine

CMD ["/usr/bin/spotifyd", "--no-daemon"]

RUN addgroup -S spotify && adduser -S spotify -G spotify audio

COPY --from=build /usr/src/spotifyd/target/release/spotifyd /usr/bin/

COPY pulseaudio.client.conf /etc/pulse/client.conf

USER spotify