Not who you responded to, but i do the same and have Pullio set up, which is lightweight and easy enough for my uses cases.
I have a few containers set up for notifying only, but most my services I just let auto-update
Comment on Portainer 3.0 is coming, and here's what it means for you — Portainer
northernlights@lemmy.today 6 hours agoHow do you detect outdated containers?
scottmeme@sh.itjust.works 2 hours ago
I was using the watchtower updater until it got archived, thankfully there is a maintained fork now
github.com/nicholas-fedor/watchtower