feat(template_ws): Change default to allow non-localhost communications and set domain ID to zero

Co-authored-by: YuZhong-Chen <yuzhong1214@gmail.com>
Co-authored-by: assume <assume0701@gmail.com>

Author: 3 people

template_ws/docker/compose.yaml

@@ -18,8 +18,10 @@ services:
       # - https://docs.ros.org/en/humble/Concepts/Intermediate/About-Domain-ID.html
       # - https://docs.ros.org/en/humble/Tutorials/Beginner-CLI-Tools/Configuring-ROS2-Environment.html
       # - https://docs.ros.org/en/humble/Tutorials/Demos/Logging-and-logger-configuration.html#console-output-colorizing
-      - ROS_LOCALHOST_ONLY=1
-      - ROS_DOMAIN_ID=42
+      - ROS_LOCALHOST_ONLY=0
+        # Localhost only is disabled by default to allow communication with external devices.
+      - ROS_DOMAIN_ID=0
+        # Domain ID is set to 0 to allow communication through ros1_bridge.
       - RCUTILS_COLORIZED_OUTPUT=1
       - ROS2_WS=/home/ros2-essentials/template_ws
     # TODO: Uncomment the lines below to enable GPU support.