FROM golang:1.24-bookworm

# Enable ARM multiarch and install cross-compilers + ARM versions of CGo deps
RUN dpkg --add-architecture armhf \
 && dpkg --add-architecture arm64 \
 && apt-get update \
 && apt-get install -y --no-install-recommends \
      crossbuild-essential-armhf \
      crossbuild-essential-arm64 \
      pkg-config \
      libasound2-dev:armhf \
      libopus-dev:armhf \
      libopusfile-dev:armhf \
      libogg-dev:armhf \
      libasound2-dev:arm64 \
      libopus-dev:arm64 \
      libopusfile-dev:arm64 \
      libogg-dev:arm64 \
 && rm -rf /var/lib/apt/lists/*

WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download

COPY . .

RUN mkdir -p /out

# armhf (RPi 2/3/4 32-bit, RPi Zero 2 W 32-bit)
RUN CGO_ENABLED=1 \
    CC=arm-linux-gnueabihf-gcc \
    PKG_CONFIG_LIBDIR=/usr/lib/arm-linux-gnueabihf/pkgconfig \
    GOOS=linux GOARCH=arm GOARM=7 \
    go build -buildvcs=false -o /out/sendspin-client-armhf ./cmd/client/ \
 && CGO_ENABLED=1 \
    CC=arm-linux-gnueabihf-gcc \
    PKG_CONFIG_LIBDIR=/usr/lib/arm-linux-gnueabihf/pkgconfig \
    GOOS=linux GOARCH=arm GOARM=7 \
    go build -buildvcs=false -o /out/sendspin-server-armhf ./cmd/server/ \
 && CGO_ENABLED=1 \
    CC=arm-linux-gnueabihf-gcc \
    PKG_CONFIG_LIBDIR=/usr/lib/arm-linux-gnueabihf/pkgconfig \
    GOOS=linux GOARCH=arm GOARM=7 \
    go build -buildvcs=false -o /out/sendspin-live-server-armhf ./cmd/live-server/

# arm64 (RPi 3/4/5 64-bit)
RUN CGO_ENABLED=1 \
    CC=aarch64-linux-gnu-gcc \
    PKG_CONFIG_LIBDIR=/usr/lib/aarch64-linux-gnu/pkgconfig \
    GOOS=linux GOARCH=arm64 \
    go build -buildvcs=false -o /out/sendspin-client-arm64 ./cmd/client/ \
 && CGO_ENABLED=1 \
    CC=aarch64-linux-gnu-gcc \
    PKG_CONFIG_LIBDIR=/usr/lib/aarch64-linux-gnu/pkgconfig \
    GOOS=linux GOARCH=arm64 \
    go build -buildvcs=false -o /out/sendspin-server-arm64 ./cmd/server/ \
 && CGO_ENABLED=1 \
    CC=aarch64-linux-gnu-gcc \
    PKG_CONFIG_LIBDIR=/usr/lib/aarch64-linux-gnu/pkgconfig \
    GOOS=linux GOARCH=arm64 \
    go build -buildvcs=false -o /out/sendspin-live-server-arm64 ./cmd/live-server/

CMD ["sh", "-c", "cp /out/* /binaries/"]