1. Clone repo in yours home directory.
  2. Open terminal end execute: $ mkdir -p ~/ros_qtc_plugin_ws/catkin_ws/src
  3. Copy ~/ros_qtc_plugin_ws/QtProject folder into ~/.config/
  4. In terminal execute: . ~/ros_qtc_plugin_ws/docker/run.sh This command run a container with name ros. Next time, don't use run script, just type: $ docker start ros && docker attach ros
  5. Then, in container, execute commands: $ source /opt/ros/melodic/setup.bash $ catkin init $ catkin build
  6. To run QtCreator with ros plugin execute in container: $ sh /opt/QtCreator/latest/bin/qtcreator.sh