I run all of my services in containers, and intentionally leave my Docker host as barebones as possible so that it’s disposable (I don’t backup anything aside from data to do with the services themselves, the host can be launched into the sun without any backups and it wouldn’t matter). I like to keep things simple yet practical, so I just run a nightly cron job that spins down all my stacks, creates archives of everything as-is at that time, and uploads them to Wasabi, AWS S3, and Backblaze B2. Then everything just spins back up, rinse and repeat the next night. I use lifecycle policies to keep the last 90 days worth of backups.