OpenCV Static

Dockerfile.build

FROM golang:1.9-alpine3.6

RUN apk add --update alpine-sdk cmake linux-headers

# Use an ARG to make it easier to test different versions
ARG OPENCV_VERSION=3.2.0

# Download OpenCV
# Build OpenCV statically and without features we don't use
RUN mkdir -p /opencv && \
    curl -L https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.tar.gz | tar xz -C /opencv --strip-components 1 && \
    mkdir -p /opencv/build && \
        cd /opencv/build && \
        cmake \
            -DCMAKE_BUILD_TYPE=Release \
            -DBUILD_SHARED_LIBS=OFF \
            -DBUILD_ZLIB=ON \
            -DBUILD_PNG=ON \
            -DWITH_OPENEXR=OFF \
            -DWITH_JPEG=OFF \
            -DWITH_JASPER=OFF \
            -DWITH_TIFF=OFF \
            -DWITH_WEBP=OFF \
            -DWITH_OPENCL=OFF \
            -DWITH_GTK=OFF \
            -DWITH_FFMPEG=OFF \
            -DWITH_1394=OFF \
            -DWITH_IPP=OFF \
            -DBUILD_TESTS=OFF \
            -DBUILD_PERF_TESTS=OFF \
            -DBUILD_opencv_apps=OFF \
            .. && \ 
        make -j7 && \
        make install && \
        cd / && rm -rf /opencv

# Set CGO_LDFLAGS so the go linker will pass these to gcc [generated with $(pkg-config --libs --static opencv)]
ENV CGO_LDFLAGS "-L/usr/local/lib -L/usr/local/share/OpenCV/3rdparty/lib -lopencv_shape -lopencv_stitching -lopencv_objdetect -lopencv_superres -lopencv_videostab -lopencv_calib3d -lopencv_features2d -lopencv_highgui -lopencv_videoio -lopencv_imgcodecs -lopencv_video -lopencv_photo -lopencv_ml -lopencv_imgproc -lopencv_flann -lopencv_core -lzlib -llibpng -lstdc++ -ldl -lm -lpthread -lrt"