Dockerfile-alpine-musllinux-test

# Version: 20250619
# musllinux-compatible build environment for OpenCV Python wheels

FROM alpine:3.19

ARG CCACHE_VERSION=3.7.9
ARG FFMPEG_VERSION=5.1.6
ARG FREETYPE_VERSION=2.13.3
ARG LIBPNG_VERSION=1.6.48
ARG VPX_VERSION=v1.15.1
ARG NASM_VERSION=2.15.04
ARG OPENSSL_VERSION=1_1_1w
ARG YASM_VERSION=1.3.0
ARG AOM_VERSION=v3.12.1
ARG AVIF_VERSION=v1.3.0

ENV LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH

RUN apk add --no-cache \
    build-base \
    diffutils \
    cmake \
    bash \
    git \
    curl \
    wget \
    tar \
    xz \
    zlib-dev \
    xz-dev \
    nasm \
    yasm \
    pkgconfig \
    openssl-dev \
    libjpeg-turbo-dev \
    fontconfig-dev \
    freetype-dev \
    expat-dev \
    libpng-dev \
    alsa-lib-dev \
    musl-dev \
    linux-headers \
    perl

RUN apk del libpng-dev

### libpng
RUN mkdir ~/libpng_sources && \
    cd ~/libpng_sources && \
    curl -O -L https://download.sourceforge.net/libpng/libpng-${LIBPNG_VERSION}.tar.gz && \
    tar -xf libpng-${LIBPNG_VERSION}.tar.gz && \
    cd libpng-${LIBPNG_VERSION} && \
    ./configure --prefix=/usr/local && \
    make && \
    make install && \
    cd .. && \
    rm -rf ~/libpng_sources

### freetype
RUN mkdir ~/freetype_sources && \
    cd ~/freetype_sources && \
    curl -O -L https://download.savannah.gnu.org/releases/freetype/freetype-${FREETYPE_VERSION}.tar.gz && \
    tar -xf freetype-${FREETYPE_VERSION}.tar.gz && \
    cd freetype-${FREETYPE_VERSION} && \
    ./configure --prefix="/ffmpeg_build" --enable-freetype-config && \
    make && \
    make install && \
    cd .. && \
    rm -rf ~/freetype_sources

### OpenSSL
RUN mkdir ~/openssl_sources && \
    cd ~/openssl_sources && \
    curl -O -L https://github.com/openssl/openssl/archive/OpenSSL_${OPENSSL_VERSION}.tar.gz && \
    tar -xf OpenSSL_${OPENSSL_VERSION}.tar.gz && \
    cd openssl-OpenSSL_${OPENSSL_VERSION} && \
    ./config --prefix="/ffmpeg_build" --openssldir="/ffmpeg_build" no-pinshared shared zlib && \
    make -j$(getconf _NPROCESSORS_ONLN) && \
    # skip installing documentation
    make install_sw && \
    cd .. && \
    rm -rf ~/openssl_build ~/openssl_sources


### NASM YASM exist in alpine

### libvpx
RUN mkdir ~/libvpx_sources && \
    cd ~/libvpx_sources && \
    git clone --depth 1 -b ${VPX_VERSION} https://chromium.googlesource.com/webm/libvpx.git && \
    cd libvpx && \
    ./configure --prefix="/ffmpeg_build" --disable-examples --disable-unit-tests --enable-vp9-highbitdepth --as=yasm --enable-pic --enable-shared && \
    make -j$(getconf _NPROCESSORS_ONLN) && \
    make install && \
    cd .. && \
    rm -rf ~/libvpx_sources

### aom
RUN mkdir ~/aom_sources && \
    cd ~/aom_sources && \
    git clone --depth 1 -b ${AOM_VERSION} https://aomedia.googlesource.com/aom && \
    mkdir build && cd build && \
    cmake -DCMAKE_C_COMPILER=$(dirname $(which g++))/gcc -DCMAKE_INSTALL_PREFIX=/usr -DBUILD_SHARED_LIBS=ON -DENABLE_TESTS=OFF ../aom/ && \
    make -j$(getconf _NPROCESSORS_ONLN) && \
    make install && \
    cd / && rm -rf ~/aom_sources

### avif
RUN mkdir ~/avif_sources && \
    cd ~/avif_sources && \
    git clone -b ${AVIF_VERSION} https://github.com/AOMediaCodec/libavif.git && \
    mkdir build && cd build && \
    cmake -DCMAKE_INSTALL_PREFIX=/usr -DAVIF_CODEC_AOM=SYSTEM -DAVIF_LIBYUV=LOCAL -DAVIF_BUILD_APPS=OFF ../libavif && \
    make -j$(getconf _NPROCESSORS_ONLN) && \
    make install && \
    cd / && rm -rf ~/avif_sources

### ffmpeg
RUN mkdir -p /ffmpeg_sources && \
    cd /ffmpeg_sources && \
    curl -LO https://ffmpeg.org/releases/ffmpeg-${FFMPEG_VERSION}.tar.gz && \
    tar -xf ffmpeg-${FFMPEG_VERSION}.tar.gz && \
    cd ffmpeg-${FFMPEG_VERSION} && \
    PKG_CONFIG_PATH="/ffmpeg_build/lib/pkgconfig" ./configure \
        --prefix="/ffmpeg_build" \
        --extra-cflags="-I/ffmpeg_build/include" \
        --extra-ldflags="-L/ffmpeg_build/lib" \
        --enable-openssl \
        --enable-libvpx \
        --enable-shared \
        --enable-pic && \
    make -j$(getconf _NPROCESSORS_ONLN) && \
    make install && \
    rm -rf /ffmpeg_sources

### ccache
RUN curl -O -L https://github.com/ccache/ccache/releases/download/v${CCACHE_VERSION}/ccache-${CCACHE_VERSION}.tar.gz && \
    tar -xf ccache-${CCACHE_VERSION}.tar.gz && \
    cd ccache-${CCACHE_VERSION} && \
    ./configure && \
    make -j$(getconf _NPROCESSORS_ONLN) && \
    make install && \
    cd .. && \
    rm -rf ccache-${CCACHE_VERSION}.tar.gz

#  user`s UID is 1001
RUN adduser -D -u 1001 ci && mkdir /io && chown ci:ci /io &&  \
    # This needs to find ffmpeg packages from ci user
    chown -R ci:ci /ffmpeg_build

USER ci

RUN git config --global --add safe.directory /io
ENV PATH="/ffmpeg_build/bin:$PATH"
ENV PKG_CONFIG_PATH /usr/local/lib/pkgconfig:/ffmpeg_build/lib/pkgconfig
ENV LDFLAGS -L/ffmpeg_build/lib
ENV PATH "$HOME/bin:$PATH"
ENV LD_LIBRARY_PATH="/ffmpeg_build/lib:$LD_LIBRARY_PATH"