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nr-flow-validator/infra/librespot/Dockerfile
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david 573821426c audio: add PipeWire+BT audio-bridge, mopidy (Qobuz+local), librespot (Spotify Connect)
- audio-bridge: alpine + pipewire + pipewire-pulse + wireplumber + bluez + dbus + tini
  Routes audio from librespot/mopidy/phone-BT to USB DAC (Q5K) via ALSA.
  Privileged + host network for bluetoothd HCI access.
- mopidy: built from python:3.12-slim-bookworm + pip (no ghcr.io dep).
  Qobuz (auth from developer.qobuz.com) + local files. PA bridge to audio-bridge.
- librespot: built from rust:1.85.1 on RPi (cross-compile too slow under qemu).
  Spotify Connect target named 'Klubhaus'. PA bridge to audio-bridge.

Both mopidy and librespot build locally to avoid ghcr.io auth/rate-limit issues.
PEQ stays on Q5K side (Qudelix app, 20 bands) for source-independent EQ.
2026-07-01 04:49:15 -07:00

52 lines
1.7 KiB
Docker

# Librespot (Spotify Connect) for ARM64
# Multi-stage: cross-compile Rust app on x86_64 builder, ship slim runtime.
# Audio output: PulseAudio (connect to audio-bridge via TCP localhost:4713).
FROM rust:1.85.1-bookworm AS builder
# Cross-compile toolchain for aarch64
RUN rustup target add aarch64-unknown-linux-gnu
RUN dpkg --add-architecture arm64 \
&& apt-get update \
&& apt-get install -y --no-install-recommends \
gcc-aarch64-linux-gnu \
libpulse-dev:arm64 \
libasound2-dev:arm64 \
libssl-dev:arm64 \
&& rm -rf /var/lib/apt/lists/*
# Build librespot. Pin to a known tag.
ARG LIBRESPOT_VERSION=v0.8.0
RUN git clone --depth 1 --branch ${LIBRESPOT_VERSION} \
https://github.com/librespot-org/librespot.git /src
WORKDIR /src
ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc
RUN cargo build --release --target aarch64-unknown-linux-gnu --no-default-features --features="pulseaudio-backend"
FROM debian:bookworm-slim
RUN dpkg --add-architecture arm64 \
&& apt-get update \
&& apt-get install -y --no-install-recommends \
ca-certificates \
libpulse0:arm64 \
libasound2:arm64 \
libssl3:arm64 \
&& rm -rf /var/lib/apt/lists/*
COPY --from=builder /src/target/aarch64-unknown-linux-gnu/release/librespot /usr/local/bin/librespot
# Cache dir for Spotify credentials
VOLUME ["/var/cache/librespot"]
# PulseAudio bridge is at localhost:4713 (audio-bridge)
ENV PULSE_SERVER=tcp:127.0.0.1:4713
CMD ["librespot", \
"--name", "Klubhaus", \
"--backend", "pulseaudio", \
"--device", "alsa_output.default", \
"--bitrate", "320", \
"--enable-audio-cache", \
"--cache", "/var/cache/librespot"]