david
e5b52fa56f
Cross-compile on x86_64 with qemu emulation takes >30min and hits 60-90min ceiling due to slow crate-by-crate aarch64 build under qemu. Native ARM64 build on RPi 3B+ with --jobs 2 (1GB RAM) is much faster. Rust 1.85.1 installed via rustup on RPi (precompiled aarch64 toolchain).
44 lines
1.2 KiB
Docker
44 lines
1.2 KiB
Docker
# Librespot (Spotify Connect) for ARM64
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# Multi-stage Docker build. Run on ARM64 host (RPi 3B+ etc).
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# Audio output: PulseAudio (connects to audio-bridge via TCP localhost:4713).
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FROM rust:1.85.1-bookworm AS builder
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends \
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libpulse-dev \
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libasound2-dev \
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&& rm -rf /var/lib/apt/lists/*
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ARG LIBRESPOT_VERSION=v0.8.0
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RUN git clone --depth 1 --branch ${LIBRESPOT_VERSION} \
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https://github.com/librespot-org/librespot.git /src
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WORKDIR /src
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# Limit parallelism to 2 (RPi 3B+ has 4 cores but only 1GB RAM).
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# Lower = less memory pressure, slower build. Higher = OOM risk.
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RUN cargo build --release --jobs 2 \
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--no-default-features \
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--features="pulseaudio-backend"
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FROM debian:bookworm-slim
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends \
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ca-certificates \
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libpulse0 \
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libasound2 \
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&& rm -rf /var/lib/apt/lists/*
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COPY --from=builder /src/target/release/librespot /usr/local/bin/librespot
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VOLUME ["/var/cache/librespot"]
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ENV PULSE_SERVER=tcp:127.0.0.1:4713
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CMD ["librespot", \
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"--name", "Klubhaus", \
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"--backend", "pulseaudio", \
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"--bitrate", "320", \
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"--enable-audio-cache", \
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"--cache", "/var/cache/librespot"]
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