Secure GCP Deployment & UI Upgrade

I need the project in the public repo ­https://github.com/Vs7sai/sixn running reliably on my Google Cloud Platform account under strict security best practices. That means private VPC networking, least-privilege... (Budget: ₹600 - ₹1500 INR, Jobs: API Integration, CSS, Frontend Development, Google Cloud Platform, JavaScript, Kubernetes, Terraform, Web Security)