How to create an docker image for arm embedded devices(mobile)

Dear Team,
Kindly help me to get the details on below queries?

  1. How to create an docker image for arm embedded devices(mobile)?
  2. If any existing repo available with arm image, pls share the repo details?
  3. How to cross compile the docker engine code to generate arm based docker and dockerd?

We are trying to run docker on Tizen with armv7l architecture.

Regards,
satheesh