I prefer sticking with Docker. I have a Swarm cluster of ~10 services, all on the same 5$/month VPS.
Which VPS?
Hetzner. And I used CapRover to spin up / manage the cluster.
Sometimes I wonder why people don't just go back to apache mod_php, mod_python and know you can just deploy apps even if they aren't perfectly isolated.
Everything still works, and if you have many small sites there's no beating the efficiency of it.
Some people still do... it's just that that means you've got to reinvent the wheel again when you inevitably need something like authentication, CRUD views, database support etc... that's where Django comes in I think; it can handle all that but also stays out of the way a lot more than other frameworks in my opinion.
You can deploy Django apps on Apache with mod_wsgi, maybe that's what they meant. Not sure about mod_python... I think it's dead.