added bashrc commands

.devcontainer/Dockerfile

@@ -45,4 +45,7 @@ FROM depbuilder as final
 
 USER $USER
 
+# include the file to configure the user's .bashrc
+INCLUDE .devcontainer/docker_include/bashrc_config.dockerfile
+
 CMD ["/bin/bash"]

.devcontainer/docker_include/bashrc_config.dockerfile

@@ -0,0 +1,4 @@
+RUN echo "source /opt/ros/${ROS_DISTRO}/setup.bash" >> ~/.bashrc && \
+    echo "source /usr/share/colcon_cd/function/colcon_cd.sh" >> ~/.bashrc && \
+    echo "export _colcon_cd_root=${COLCON_WS}" >> ~/.bashrc && \
+    echo "source ${COLCON_WS}/install/setup.bash" >> ~/.bashrc

.devcontainer/docker_include/user_install.dockerfile

@@ -17,6 +17,6 @@ COPY .devcontainer/scripts/install_external_ros_packages.sh ${COLCON_WS}/src/ins
 # Make the script executable and run it, then remove it
 RUN /bin/bash -c '${COLCON_WS}/src/install_external_ros_packages.sh ${COLCON_WS}' && \
     rm -f ${COLCON_WS}/src/install_external_ros_packages.sh && \
-    rm -f -r ${COLCON_WS}/src/repos
+    sudo rm -f -r ${COLCON_WS}/src/repos
 
 USER root