Most people use LXC to run containers that run full operating systems right? (Where it loads init/systemd and then processes .. basically a full VM but lightwei

Most people use LXC to run containers that run full operating systems right? (Where it loads init/systemd and then processes .. basically a full VM but lightweight?) The others are all more single process isolated, but how many others have the image building/hashing/layering system of Docker. I personally wish Docker was more of a first class citizen on FreeBSD, but the official port was way out of date the last time I checked.