Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Snap app is not (and will probably never be) compatible with Docker by default. However, there are some hackings to make snap app to work in Docker. Also, Kata Container is a good (lightweight, container-like performance) VM alternative to Docker if you do not like limitations and potential security issues of Docker.

References

https://ograblog.wordpress.com/2017/06/02/dock-a-snap/

https://github.com/ogra1/snapd-docker

https://forum.snapcraft.io/t/snapd-in-docker/177