Keycloak Dual Deployment Strategy: Combining Open Source and Serverless for Enterprise Identity
Optimizing Identity Management using Terraform and Cloud Services from Google and Oracle
May 14, 202514 min read19
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Securing Digital Assets: Implementing Cost-Effective SSL Encryption in Kubernetes Environments
GKE Cluster
May 12, 20253 min read35
Auto-Unsealing HashiCorp Vault with GCP KMS and Deploying to Cloud Run
Introduction HashiCorp Vault is a powerful secrets management tool that helps organizations secure, store, and control access to tokens, passwords, certificates, and encryption keys. One challenge with managing Vault is the need to unseal it after ea...
May 2, 202510 min read68
Cloud Migration: From OVH VPS to Oracle Cloud Infrastructure Free Tier
Introduction In early 2025, I undertook a cost optimization project for a startup running a legacy Java/Servlet/JSP application. The goal was to reduce hosting costs while maintaining or improving infrastructure quality. This post details our journey...
Jan 20, 20254 min read33
Building a Secure, Scalable Enterprise Architecture with GCP and MongoDB Atlas
Cloud Architecture
Dec 23, 20245 min read79
Setting up ArgoCD on Private Google Kubernetes Engine Cluster for GitOps Deployment
ArgoCD is a popular open-source tool for implementing GitOps principles and managing Kubernetes resources declaratively using Git as a single source of truth. In this blog post, we'll learn how to deploy ArgoCD on a private Google Kubernetes Engine (...
Nov 6, 20243 min read100
My Journey to Cloud & DevOps: Tackling the Cloud Resume Challenge
Introduction My name is Merlin Saha, and I'm an experienced software developer into the exciting world of Cloud Architecture and DevOps Engineering. This blog post chronicles my journey, from my initial interest in Google Cloud to building a robust c...
Oct 8, 202414 min read179
Multi-Cloud in 2025: Beyond the Hype
The cloud computing landscape has evolved significantly over the past decade. While many organizations already use multiple cloud services, there's a crucial distinction between simply using multiple clouds and implementing a strategic multi-cloud ar...
Jun 30, 20244 min read61
Establish a Secure Connection between GitHub Actions and Google Cloud Platform (GCP) using Workload Identity Federation.
GitHub Actions makes it easy to automate your software development workflows, including building, testing, and deploying your applications to various environments. When deploying to Google Cloud Platform (GCP), you typically need to authenticate with...
Jun 3, 20243 min read78