Fix workspace location in container, terminal shortcut

Dockerfile

@@ -5,11 +5,11 @@ RUN apt-get install -y \
       ros-melodic-libfranka python-catkin-tools libeigen3-dev 
 #WORKDIR /src/
 COPY ./vnc/simple_simulation.sh /root/Desktop/
-RUN chmod a+x /root/Desktop/simple_simulation.sh
+RUN ln -s /usr/share/applications/lxterminal.desktop /root/Desktop/lxterminal.desktop
+RUN chmod a+x /root/Desktop/simple_simulation.sh && mkdir /root/Desktop/ros_ws
 ENV ROS_DISTRO=melodic
-WORKDIR /home/ubuntu/ros_ws
-RUN rm build devel src -rf
-COPY ./src /home/ubuntu/ros_ws/src
+WORKDIR /root/Desktop/ros_ws
+COPY ./src /root/Desktop/ros_ws/src
 RUN apt-get update && rosdep install --from-paths . -r -y && apt-get clean
 RUN catkin config \
       --extend /opt/ros/melodic && \

vnc/simple_simulation.sh

 #!/bin/bash
 
-source ~/ros_ws/devel/setup.bash
-roslaunch sample_applications simple_simulation.launch
+source /root/Desktop/ros_ws/devel/setup.bash
+lxterminal --command "roslaunch sample_applications simple_simulation.launch"
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