From “What the heck is Microservices?” to Google Pay Scale – My DevOps Learner Journey
When I started learning DevOps, people in my company kept mentioning microservices. Honestly, I had no idea what it meant. For me, an application was always one big thing running on one server. Then I Googled. That’s when it hit me — microservices are nothing but breaking down a big app into smaller, independent services. Take a banking app for example: One service for login One service for checking the balance One service for transactions All these services together make the complete application. Simple. But here’s the twist — I wanted to see how this works in apps we use daily. So I picked Google Pay as my case study. . . . Google Pay – A Microservices Reality Check Behind the simple “Send ₹100” button, Google Pay runs on multiple services working in sync: User Management → login, profile, KYC Payment Processing → UPI, cards, wallet Bank Integration → connects to multiple bank APIs Notifications → SMS, push messages Fraud Detection → ML-powered checks Transacti...