Dockerfile.opencv

FROM alpine:3.10.3
LABEL maintainer="linscheid.greg@gmail.com"

WORKDIR /usr/src/app

ENV LANG=C.UTF-8

# curl is needed to download polynote script, bash is needed to run it
RUN apk add --no-cache bash curl

# Install OpenJDK
ENV JAVA_HOME /usr/lib/jvm/java-1.8-openjdk
RUN apk add --no-cache openjdk8

ARG OPENCV_VERSION=4.1.1

# Install Python and OpenCV
RUN apk add --update --no-cache \
    # Build dependencies
    build-base clang clang-dev cmake pkgconf wget openblas openblas-dev \
    linux-headers \
    # Image IO packages
    libjpeg-turbo libjpeg-turbo-dev \
    libpng libpng-dev \
    libwebp libwebp-dev \
    tiff tiff-dev \
    jasper-libs jasper-dev \
    openexr openexr-dev \
    # Video depepndencies
    ffmpeg-libs ffmpeg-dev \
    libavc1394 libavc1394-dev \
    gstreamer gstreamer-dev \
    gst-plugins-base gst-plugins-base-dev \
    libgphoto2 libgphoto2-dev && \
    apk add --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing \
            --update --no-cache libtbb libtbb-dev && \
    # Python dependencies
    apk add --repository http://dl-cdn.alpinelinux.org/alpine/edge/main \
            --update --no-cache python3 python3-dev && \
    apk add --repository http://dl-cdn.alpinelinux.org/alpine/edge/community \
            --update --no-cache py-numpy py-numpy-dev && \
    # Make Python3 as default
    ln -vfs /usr/bin/python3 /usr/local/bin/python && \
    ln -vfs /usr/bin/pip3 /usr/local/bin/pip && \
    # Fix libpng path
    ln -vfs /usr/include/libpng16 /usr/include/libpng && \
    ln -vfs /usr/include/locale.h /usr/include/xlocale.h && \
    # Download OpenCV source
    cd /tmp && \
    wget https://github.com/opencv/opencv/archive/$OPENCV_VERSION.tar.gz && \
    tar -xvzf $OPENCV_VERSION.tar.gz && \
    rm -vrf $OPENCV_VERSION.tar.gz && \
    # Configure
    mkdir -vp /tmp/opencv-$OPENCV_VERSION/build && \
    cd /tmp/opencv-$OPENCV_VERSION/build && \
    cmake \
        # Compiler params
        -D CMAKE_BUILD_TYPE=RELEASE \
        -D CMAKE_C_COMPILER=/usr/bin/clang \
        -D CMAKE_CXX_COMPILER=/usr/bin/clang++ \
        -D CMAKE_INSTALL_PREFIX=/usr \
        # No examples
        -D INSTALL_PYTHON_EXAMPLES=NO \
        -D INSTALL_C_EXAMPLES=NO \
        # Support
        -D WITH_IPP=NO \
        -D WITH_1394=NO \
        -D WITH_LIBV4L=NO \
        -D WITH_V4l=YES \
        -D WITH_TBB=YES \
        -D WITH_FFMPEG=YES \
        -D WITH_GPHOTO2=YES \
        -D WITH_GSTREAMER=YES \
        # NO doc test and other bindings
        -D BUILD_DOCS=NO \
        -D BUILD_TESTS=NO \
        -D BUILD_PERF_TESTS=NO \
        -D BUILD_EXAMPLES=NO \
        -D BUILD_opencv_java=NO \
        -D BUILD_opencv_python2=NO \
        -D BUILD_ANDROID_EXAMPLES=NO \
        # Build Python3 bindings only
        -D PYTHON3_LIBRARY=`find /usr -name libpython3.so` \
        -D PYTHON_EXECUTABLE=`which python3` \
        -D PYTHON3_EXECUTABLE=`which python3` \
        -D BUILD_opencv_python3=YES .. && \
    # Build
    make -j`grep -c '^processor' /proc/cpuinfo` && \
    make install

# Install pre-requisites needed for python dependencies (primarily matplotlib)
RUN apk add --no-cache --virtual \ 
  .build-deps \
  libc-dev \
  freetype-dev

# Install Python dependencies
COPY requirements.txt ./requirements.txt
RUN pip3 install --upgrade pip \
 && pip3 install -r requirements.txt

# Cleanup
RUN cd / && rm -vrf /tmp/opencv-$OPENCV_VERSION && \
apk del --purge build-base clang clang-dev cmake pkgconf wget openblas-dev \
  openexr-dev gstreamer-dev gst-plugins-base-dev libgphoto2-dev \
  libtbb-dev libjpeg-turbo-dev libpng-dev tiff-dev jasper-dev \
  ffmpeg-dev libavc1394-dev python3-dev py-numpy-dev \
  .build-deps libc-dev freetype-dev && \
  rm -vrf /var/cache/apk/*

# Download and extract polynote
ARG POLYNOTE_VERSION=0.2.17
RUN curl -L https://github.com/polynote/polynote/releases/download/${POLYNOTE_VERSION}/polynote-dist.tar.gz \
  | tar -xzvpf -

COPY config.yml ./polynote/config.yml

EXPOSE 8192

CMD bash polynote/polynote