There’s a reason for this, just look at some of the horror stories in this thread - Home Assistant just stops working!
My advice would be to stick with you docker install. Almost all addons can be configured on their own in docker to work with Home Assistant. What addons were you looking for specifically and I can link guides or posts on how to set them up for you with a container install?
Also, for backups, I wrote up a post that lets you set them up using a cronjob and rsync. Admittedly its not as easy as a snapshot, but it does work to backup your config directory, which is where everything is installed on a Home Assistant container install. What backup strategy when running Home Assistant in Docker? - #10 by mwav3