Our great sponsors
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shepherd
Docker swarm service for automatically updating your services whenever their image is refreshed (by containrrr)
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
Since watchtower doesn't support Docker Swarm I've come across shepherd but the author has stated that he wont be maintaining the project anymore which makes me reluctant to use it.
I'm the developer of cioban, that started off as a shepherd clone, but was rewritten in python. I have it both at home and at work (where we can pull off with unattended upgrades of certain containers).
I use https://crazymax.dev/diun/ to send notifications of new images. I also hook it into webbooks with CI for mirroring images, but you should be able to use something like portainer webhooks to auto pull images.