Health check API for backend & Prompt Sevice

[harini-venkataraman]

What

PR focus on health check API for prompt service & platform service.
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Why

To support readiness and liveness probe for k8s deployment.
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How

Exposing an endpoint, which is public retuning 200 OK.
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Can this PR break any existing features. If yes, please list possible items. If no, please explain why. (PS: Admins do not merge the PR without this section filled)

No, this PR introduces new endpoints.
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Database Migrations

Not applicable.
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Env Config

Not applicable.
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Relevant Docs

https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#define-a-liveness-http-request
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Related Issues or PRs

Dependencies Versions

Not applicable.
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Notes on Testing

Tested the API using rest client.
Created an deployment with sample deployment.yaml using minikube and checked the probes.
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Screenshots

Checklist

I have read and understood the Contribution Guidelines.

[gaya3-zipstack]

@chandrasekharan-zipstack 's comment on env seems a valid question. Will wait for that. Other than that, I do not see any concern in the PR.

[harini-venkataraman]

@chandrasekharan-zipstack 's comment on env seems a valid question. Will wait for that. Other than that, I do not see any concern in the PR.

Addressed the comment, @gaya3-zipstack

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

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[gaya3-zipstack]

Looks good