I am considering installing a docker on pi 2. But after some research, I find that might not be a good idea.
docker is not ready for PI yet, there are some solutions, but not pefect, like these:
even thought I can successfully put a docker in a PI, I still have to choose the docker image support ARM processor only. If a build a docker image in a pi, I can not install this image in a non-ARM system. Maybe I am wrong about it
So, only a few rpi OS support docker, and only ARM docker images run on the PI, those 2 conditions limit the docker usage a lot, then why people still like to put docker in a PI?