Added colcon build args for local builds (#5)

* Fixed colcon build args

Signed-off-by: Cihat Kurtuluş Altıparmak <cihataltiparmak1@gmail.com>

* Added customized build option

Signed-off-by: CihatAltiparmak <cihataltiparmak1@gmail.com>

* Update README.md

Signed-off-by: Steve Macenski <stevenmacenski@gmail.com>

---------

Signed-off-by: Cihat Kurtuluş Altıparmak <cihataltiparmak1@gmail.com>
Signed-off-by: CihatAltiparmak <cihataltiparmak1@gmail.com>
Signed-off-by: Steve Macenski <stevenmacenski@gmail.com>
Co-authored-by: Steve Macenski <stevenmacenski@gmail.com>

Dockerfile

@@ -29,8 +29,9 @@ RUN apt install cppzmq-dev ros-${ROS_DISTRO}-ros-gz -y --no-install-recommends -
 
 # For distribution of Nav2
 ARG BUILD=true
+ARG COLCON_BUILD_ARGS=""
 RUN if [ "${BUILD}" = "true" ]; then \
-      . /opt/ros/${ROS_DISTRO}/setup.sh && colcon build; \
+      . /opt/ros/${ROS_DISTRO}/setup.sh && colcon build $COLCON_BUILD_ARGS; \
     fi
 
 WORKDIR /root/nav2_ws

README.md

@@ -49,6 +49,8 @@ If you do NOT want to build Nav2 for distribution with the container (setup for
 
 Occasionally, may need to update the base and rebuild when it diverges significantly.
 
+Additionally, if you want to build with customized arguments, you can add your build arguments as in the example `--build-arg COLCON_BUILD_ARGS="--symlink-install"`.
+
 ```
 sudo docker pull osrf/ros:${ROS_DISTRO}-desktop-full
 sudo docker build -t ros-navigation/nav2_docker:local -f Dockerfile .