arm32v7.Dockerfile

FROM balenalib/raspberrypi4-64-python:3.9
# The balena base image for building apps on Raspberry Pi 3. 
# Raspbian Stretch required for piwheels support. https://downloads.raspberrypi.org/raspbian/images/raspbian-2019-04-09/

# Enforces cross-compilation through Quemu
RUN [ "cross-build-start" ]

RUN echo "BUILD MODULE: CameraCapture"

# Update package index and install dependencies
#RUN install_packages \
#    python3 \
#    python3-pip \
#    python3-dev \
#    build-essential \

RUN apt update && apt upgrade
# Required for OpenCV
RUN install_packages \
    # Hierarchical Data Format
    libhdf5-dev libhdf5-serial-dev \
    # for image files
    #libjpeg-dev libtiff5-dev libjasper-dev libpng-dev \
    # for video files
    libavcodec-dev libavformat-dev libswscale-dev libv4l-dev 
    # for gui
    #libqt4-test libqtgui4 libqtwebkit4 libgtk2.0-dev \
    # high def image processing
    #libilmbase-dev libopenexr-dev
#RUN apt install libgl1
#RUN apt-get install libilmbase-dev libopenexr-dev
RUN install_packages libgl-dev

# Install Python packages
RUN pip install --upgrade pip
RUN pip install --upgrade wheel
RUN pip install --upgrade setuptools
RUN pip install --upgrade requests
#RUN install_packages python-requests
COPY /build/arm32v7-requirements.txt ./
#RUN pip3 install --upgrade setuptools
#RUN pip install --index-url=https://www.piwheels.org/simple -r arm32v7-requirements.txt
RUN pip install -r arm32v7-requirements.txt
#RUN pip install iothub-client

# Cleanup
RUN rm -rf /var/lib/apt/lists/* \
    && apt-get -y autoremove

RUN [ "cross-build-end" ]  

ADD /app/ .

# Expose the port
EXPOSE 5012

ENTRYPOINT [ "python3", "-u", "./main.py" ]