Automatically roll deployment when ConfigMap change

[grglzrv]

Description

Add annotation that will track configmap checksum. For example - automatically restart deployment's pod when Configmap change

For example:

annotation: checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
Link: https://helm.sh/docs/howto/charts_tips_and_tricks/#automatically-roll-deployments

Use Case

If someone use GitOps tool like FluxCD, and update the configmap, FluxCD will detect this change and will update cm in Kubernetes, checksum of the configmap will be updated, it will trigger a restart deployment's pod automatically

Acceptance Criteria

Automatically restart deployment's pod when Configmap change

[grglzrv]

PR created - https://github.com/aquasecurity/postee/pull/472/files