Dockerfile configuration for Qt build environment on Linux and Windows specific for ModbusScope.

Some paths are already configured for this specific toolchain.

• Folder for Qt binaries is added to path

  ENV PATH /opt/qt/${QT}/${QT_ARCH}/bin:$PATH

• Some Qt specific paths

  ENV QT_PLUGIN_PATH /opt/qt/${QT}/${QT_ARCH}/plugins/
  ENV QML_IMPORT_PATH /opt/qt/${QT}/${QT_ARCH}/qml/
  ENV QML2_IMPORT_PATH /opt/qt/${QT}/${QT_ARCH}/qml/
  

• Configure CMake to find correct Qt installation

  ENV CMAKE_PREFIX_PATH /opt/qt/${QT}/${QT_ARCH}/lib/cmake/Qt5

https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository

• Add ppa and install

  • Check website

• Test:

  • sudo docker run hello-world
    

Older: https://www.guru99.com/docker-tutorial.html

New command style: https://medium.com/swlh/setting-up-an-ubuntu-20-04-docker-container-c74a873d26c8

• Start docker container of latest ubuntu

  • sudo docker run --name ubuntu-build -it --entrypoint "/bin/bash" ubuntu:20.04
    

• Show saved docker containers

  • sudo docker ps -a

• Remove container

  • sudo docker rm [container name]

cd /home/
git clone --depth=50 --branch=master https://github.com/jgeudens/ModbusScope.git ModbusScope
cd ModbusScope

https://docs.docker.com/docker-hub/

Build
sudo docker build -t jgeudens/qt-linux .

Test
sudo docker run --name qt-linux -it --entrypoint "/bin/bash" jgeudens/qt-linux

Tag
sudo docker image tag jgeudens/qt-linux jgeudens/qt-linux:6.2.2_build_2

Push
sudo docker push jgeudens/qt-linux

Or with version tag
sudo docker push jgeudens/qt-linux:6.2.2_build_2

Track down missing dependencies:

Error shows libqxcb.so

ldd /opt/qt/5.15.2/gcc_64/plugins/platforms/libqxcb.so  | grep "not found"