feat(helm): add Hypersense backend and ETL helm support

[GauravRawat369]

This pull request adds support for deploying the Hypersense Backend and ETL services as part of the Helm chart, including their configuration, secrets, and service definitions. It introduces new templates for deployments and services, shared configuration and secret management, and a dedicated values file for deploying with remote registry images. The changes also improve PostgreSQL and Redis integration for these new services and the main application.

Hypersense services integration:

• Added deployment and service templates for hypersense-backend and hypersense-etl, including environment variable configuration, health checks, and resource management. These deployments use shared ConfigMaps and Secrets for database and Redis connection details. [1] [2] [3] [4]
• Introduced templates for creating a shared ConfigMap and Secret holding DB/Redis connection information and DB password, used by both Hypersense services. These can be overridden to use externally managed resources. [1] [2]
• Added helper template functions to generate names for the Hypersense services, their shared ConfigMap, and Secret, supporting both in-cluster and external resource scenarios.

Configuration and values:

• Added a new values file, values-hypersense.yaml, providing configuration for a deployed environment using remote registry images, persistent storage, and setup instructions for required image pull secrets. This file enables out-of-the-box deployment of all services, including Hypersense, with options for external resource integration.

Main application improvements:

• Updated the main deployment to supply PostgreSQL and Redis connection information via environment variables when enabled, improving compatibility with the new Hypersense services and external resources.

 decision-engine git:(main) ✗ curl -s http://localhost:8080/health  
{"message":"Health is good"}%    

curl --location 'http://localhost:8080/merchant-account/create' \
--header 'Content-Type: application/json' \
--data '{
  "merchant_id": "test_merchant_1234"  
}'

{
    "message": "Merchant account created successfully",
    "merchant_id": "test_merchant_1234",
    "gateway_success_rate_based_decider_input": null
}

[Copilot]

Pull request overview

This PR extends the Helm chart to optionally deploy two additional workloads—hypersense-backend and hypersense-etl—alongside decision-engine, using shared ConfigMap/Secret wiring for DB/Redis connectivity and providing example values files for local and “deployed” setups.

Changes:

• Added Helm templates for Hypersense backend/ETL Deployments and Services, plus shared ConfigMap/Secret templates for DB/Redis coordinates and DB password.
• Introduced values-local.yaml and values-hypersense.yaml to support local-image and remote-registry deployments of Hypersense services.
• Updated decision-engine Deployment to inject PostgreSQL connection env vars when PostgreSQL is enabled.

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
helm-charts/values.yaml	Adds Hypersense values, shared resource settings, and a Postgres initdb script for creating a Hypersense DB.
helm-charts/values-local.yaml	New local dev values file enabling Hypersense services with locally built images and ephemeral PG/Redis.
helm-charts/values-hypersense.yaml	New deployed-environment values file enabling Hypersense services with private ECR images + pull secret.
helm-charts/templates/hypersense-secret.yaml	New shared Secret template for Hypersense DB password injection.
helm-charts/templates/hypersense-config.yaml	New shared ConfigMap template for Hypersense DB/Redis connection coordinates.
helm-charts/templates/hypersense-backend-deployment.yaml	New Deployment template for hypersense-backend with env wiring, probes, resources, and optional migration flag.
helm-charts/templates/hypersense-backend-service.yaml	New Service template for hypersense-backend.
helm-charts/templates/hypersense-etl-deployment.yaml	New Deployment template for hypersense-etl with env wiring (incl. ClickHouse), probes, resources, and optional migration flag.
helm-charts/templates/hypersense-etl-service.yaml	New Service template for hypersense-etl.
helm-charts/templates/deployment.yaml	Adds Postgres env-var wiring to the main decision-engine Deployment when PostgreSQL is enabled.
helm-charts/templates/_helpers.tpl	Adds helper functions to generate names for Hypersense services and shared ConfigMap/Secret.

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