Dockerfile.debian-alsa

FROM rust:1.92.0-slim-trixie AS builder

RUN apt-get update && apt-get install -y \
    build-essential \
    libasound2-dev \
    pkg-config \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /build
COPY . .

ENV RUSTFLAGS="-C target-feature=-crt-static"
ARG BUILD_FLAGS=--release
ARG BUILD_TYPE=release

RUN --mount=type=cache,target=/usr/local/cargo/registry --mount=type=cache,target=/build/target \
    mkdir /out && \
    cargo build $BUILD_FLAGS -p alsa_pcm_inferno && \
    cp target/$BUILD_TYPE/libasound_module_pcm_inferno.so /out/

FROM debian:trixie-slim

RUN apt-get update && apt-get install -y libasound2t64 && \
    dpkg -L libasound2t64 | grep -m1 'libasound\.so\.2$' > /tmp/libasound.path && \
    ln -s "$(dirname $(cat /tmp/libasound.path))/alsa-lib" /tmp/alsa-lib && \
    rm -rf /var/lib/apt/lists/*

COPY --from=builder /out/libasound_module_pcm_inferno.so /tmp/alsa-lib/
RUN rm /tmp/alsa-lib /tmp/libasound.path

COPY alsa_pcm_inferno/asoundrc /etc/asound.conf