Finished noetic docker file

noetic.Dockerfile

@@ -2,6 +2,10 @@ ARG ROS_DISTRO=noetic
 
 FROM ros:${ROS_DISTRO}
 
+# For some reason, ARGs get reset after FROM statement, if they are not used in FROM.
+# Therefore, introduce them now.
+ARG ROS_WS=ws_ros
+
 #install binary dependencies
 RUN apt-get -qq update && apt-get -qq upgrade -y && apt-get install -y \
     nano \
@@ -46,16 +50,11 @@ RUN rm -rf /var/lib/apt/lists/*
 WORKDIR /ros_stuff
 COPY rdep.sh .
 
-RUN mkdir -p ws_ros/src && touch ws_ros/src/test.file
-
-# RUN mkdir -p ws_ros/src && git clone -b humble https://github.com/UniversalRobots/Universal_Robots_ROS2_Gazebo_Simulation.git ws_ros/src/Universal_Robots_ROS2_Gazebo_Simulation
+RUN mkdir -p $ROS_WS/src && touch $ROS_WS/src/test.file
 
 RUN sudo chmod 777 -R .
 
-RUN mkdir /test/${ROS_DISTRO}
-
-
-WORKDIR /ros_stuff/ws_ros
+WORKDIR /ros_stuff/$ROS_WS
 
 ENV NVIDIA_VISIBLE_DEVICES \
     ${NVIDIA_VISIBLE_DEVICES:-all}
@@ -87,4 +86,3 @@ RUN usermod -aG video ${USERNAME}
 
 RUN echo "export DISABLE_AUTO_TITLE=true" >> /home/$USERNAME/.bashrc
 RUN echo 'LC_NUMERIC="en_US.UTF-8"' >> /home/$USERNAME/.bashrc
-RUN echo "source /opt/ros/noetic/setup.bash" >> /home/$USERNAME/.bashrc