Summary by Sourcery

Add a GitHub Actions workflow to build and deploy the application to Google Kubernetes Engine via Google Cloud.

Build:

• Introduce a Google Cloud–oriented workflow that builds a Docker image and pushes it to Artifact Registry on pushes to the main branch.

CI:

• Add a GitHub Actions pipeline that authenticates with Google Cloud using Workload Identity Federation and runs container build and deployment steps.

Deployment:

• Automate deploying the built Docker image to a GKE cluster using kustomize and kubectl.