--- title: "Ajin Joseph (@ajiinjoseph20) | Hashnode" description: "Ajin Joseph (@ajiinjoseph20) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@ajiinjoseph20" --- @ajiinjoseph20 # Ajin Joseph @ajiinjoseph20 · Joined August 2025 ### [End-to-End DR Testing on Azure: AKS, PostgreSQL, Front Door, App Gateway, and Cloudflare](https://ajin-cloudjourney.hashnode.dev/end-to-end-dr-testing-on-azure-aks-postgresql-front-door-app-gateway-and-cloudflare?utm_source=hashnode&utm_medium=feed) Introduction In this blog, I walk through how I set up and validated a Disaster Recovery (DR) architecture using Azure Kubernetes Service (AKS), PostgreSQL (EDB/PGD), Azure Front Door, Application Gat 2 min read · [ajin-cloudjourney.hashnode.dev](https://ajin-cloudjourney.hashnode.dev/end-to-end-dr-testing-on-azure-aks-postgresql-front-door-app-gateway-and-cloudflare?utm_source=hashnode&utm_medium=feed) [Apr 24](https://hashnode.com/posts/end-to-end-dr-testing-on-azure-aks-postgresql-front-door-app-gateway-and-cloudflare/69eb4f461e45c4e0dad24f0c) ### [Establishing Secure AWS ↔ Azure Connectivity Using Site-to-Site VPN with BGP](https://ajin-cloudjourney.hashnode.dev/establishing-secure-aws-azure-connectivity-using-site-to-site-vpn-with-bgp?utm_source=hashnode&utm_medium=feed) Overview In multi-cloud architectures, secure and reliable connectivity between AWS and Azure is a common requirement. This blog walks through a production-grade approach to establish encrypted, BGP-enabled site-to-site connectivity between: AWS Tra... 5 min read · [ajin-cloudjourney.hashnode.dev](https://ajin-cloudjourney.hashnode.dev/establishing-secure-aws-azure-connectivity-using-site-to-site-vpn-with-bgp?utm_source=hashnode&utm_medium=feed) [Dec 16, 2025](https://hashnode.com/posts/establishing-secure-aws-azure-connectivity-using-site-to-site-vpn-with-bgp/69418b63314fd8c0baa6492f) ### [Building a Kubernetes Egress Controller for Fine-Grained Outbound Traffic Control](https://ajin-cloudjourney.hashnode.dev/building-a-kubernetes-egress-controller-for-fine-grained-outbound-traffic-control?utm_source=hashnode&utm_medium=feed) The objective is to dynamically enforce fine-grained egress access control using hostnames or IPs declared via custom Kubernetes resources on the Namespace 5 min read · [ajin-cloudjourney.hashnode.dev](https://ajin-cloudjourney.hashnode.dev/building-a-kubernetes-egress-controller-for-fine-grained-outbound-traffic-control?utm_source=hashnode&utm_medium=feed) [Aug 3, 2025](https://hashnode.com/posts/building-a-kubernetes-egress-controller-for-fine-grained-outbound-traffic-control/688f799ce1e07454903a3111) ### [How to Create a Private Link Service in Azure](https://ajin-cloudjourney.hashnode.dev/how-to-create-a-private-link-service-in-azure?utm_source=hashnode&utm_medium=feed) Expose internal services privately and securely using Azure Private Link 4 min read · [ajin-cloudjourney.hashnode.dev](https://ajin-cloudjourney.hashnode.dev/how-to-create-a-private-link-service-in-azure?utm_source=hashnode&utm_medium=feed) [Jun 8, 2025](https://hashnode.com/posts/how-to-create-a-private-link-service-in-azure/688f818c99b037c3657a2b3d) ### [Exploring Secure Connectivity Options for SaaS on Azure AKS](https://ajin-cloudjourney.hashnode.dev/exploring-secure-connectivity-options-for-saas-on-azure-aks?utm_source=hashnode&utm_medium=feed) Explore secure connectivity methods for Azure AKS-hosted SaaS, covering VPN, ExpressRoute, and Private Link options for customer environments 3 min read · [ajin-cloudjourney.hashnode.dev](https://ajin-cloudjourney.hashnode.dev/exploring-secure-connectivity-options-for-saas-on-azure-aks?utm_source=hashnode&utm_medium=feed) [Apr 30, 2025](https://hashnode.com/posts/exploring-secure-connectivity-options-for-saas-on-azure-aks/688f7fb692b4f8ffb1d7fd79)