kakalin/qt repository overview

⁠Qt/QML Container Image

• Qt/QML: 5.12.0
  • Support PyQt5

⁠Build the image (Optional)

# $ docker build --rm -t kakalin/qt:5.12.0 .
$ ./build.sh

⁠Push to Docker Hub

$ docker login
# $ docker push kakalin/qt:5.12.0
$ ./deploy.sh

⁠Run

⁠1. Run it on Ubuntu

# Expose the X server on the host
$ xhost +local:docker

⁠Note:

Notice current path, if you use `$PWD`,
you should in the root path of the  project,

• GPU

  $ docker run --rm -it \
      --gpus all \
      -e DISPLAY=$DISPLAY \
      -e QT_X11_NO_MITSHM=1 \
      --volume="/tmp/.X11-unix:/tmp/.X11-unix" \
      --volume="$PWD:/home/user/qt-template" \
      --privileged \
      kakalin/qt:5.12.0
  

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• CPU

  $ docker run --rm -it \
      -e DISPLAY=$DISPLAY \
      -e QT_X11_NO_MITSHM=1 \
      --volume="/tmp/.X11-unix:/tmp/.X11-unix" \
      --volume="$PWD:/home/user/qt-template" \
      --privileged \
      kakalin/qt:5.12.0
  

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⁠2. Run it on macOS

Reference: X11 in docker on macOS⁠

1. Install XQuartz⁠ from official website or through Homebrew⁠

   $ brew install --cask xquartz
   

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   and then Restart OS.

2. Open XQuartz and Check the option: XQuartz -> Preferences -> Security -> "Allow connections from network clients"

   # open XQuartz
   $ open -a XQuartz
   

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3. In terminal:

   # Expose the X server on the host
   $ xhost +localhost
   

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   Creating a bridge between a network socket with a TCP listener on port 6000 (the default port of the X window system) and the X window server on my OS X host.

   $ socat TCP-LISTEN:6000,reuseaddr,fork UNIX-CLIENT:\"$DISPLAY\"
   

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   $ docker run --rm -it \
       -e DISPLAY=host.docker.internal:0 \
       -e QT_X11_NO_MITSHM=1 \
       -e QT_QUICK_BACKEND=software \
       --volume="/tmp/.X11-unix:/tmp/.X11-unix:rw" \
       --volume="$PWD:/home/user/qt-template" \
       kakalin/qt:5.12.0
   

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⁠Troubleshooting

1. libGL error: No matching fbConfigs or visuals found

   $ export LIBGL_ALWAYS_INDIRECT=1
   

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2. QGLXContext: Failed to create dummy context

   Workaround:

   $ export QT_QUICK_BACKEND=software
   

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3. Miniconda install issue:

   • Install Python3.8, ModuleNotFoundError: No module named 'conda.cli.main_info'

     comment `conda update -n base conda`
     

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   2022/12/6 update: If the old command has error, we can replace it as below:

   # Install miniconda for python 3.8
   ENV PYTHON_VERSION="3.8"
   ENV CONDA_PATH="/usr/local/anaconda3"
   ENV MINICONDA_FILE="Miniconda3-py38_4.12.0-Linux-x86_64.sh"
   RUN wget https://repo.continuum.io/miniconda/${MINICONDA_FILE} && \
       sh ${MINICONDA_FILE} -b -p ${CONDA_PATH} && \
       ${CONDA_PATH}/bin/conda update -n base conda && \
       ${CONDA_PATH}/bin/conda install python=${PYTHON_VERSION} && \
       ${CONDA_PATH}/bin/conda clean -y -a && \
       rm -rf ${MINICONDA_FILE} && \
       rm -rf /temp/*
   

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