docker run -it --rm --net foo --name master fjctp/armhf-ros-kinetic-base roscoredocker run -it --rm --net foo --name tester \
--env ROS_HOSTNAME=tester \
--env ROS_MASTER_URI=http://master:11311 \
fjctp/armhf-ros-kinetic-base bashrostopic pub /chatter std_msgs/String -r 2 "Do you hear me?"
rostopic echo /chatter - For raspberry pi 2/3 only
- Make sure container's name and hostname match, otherwise ROS nodes cannot exchange message