[ENHANCE] Reload when image has changed

[tobiasge]

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Is your feature request related to a problem? Please describe. We have several applications where the container image is tagged with a short version e. g. "4.2". When a new version "4.2.1" is released the tag "4.2" is updated to point to the new version.

Describe the solution you'd like When the image in a Deployment is updated in the registry Reloader should trigger a rollout.

Describe alternatives you've considered Writing my own operator.

Additional context OpenShift DeploymentConfigs support this natively but Kubernetes Deployments are missing this possibility.

[karl-johan-grahn]

Have you considered using Renovate for dependency updates?

[ChristianCiach]

You can use https://github.com/keel-hq/keel for that. It is unfortunately not very well maintained anymore, but the policy keel.sh/policy: force should work just fine.