From a Broken Payment Flow to a Resilient Registration System: What I Learned Building Zeron Academy Payments from Scratch
This article is a walkthrough of what happened when nobody watching, what broke, how I investigated it, how I redesigned the deployment process, why Razorpay became a problem, why I moved to Cashfree, and finally how I built a manual QR fallback so that payment-provider problems can no longer block student registrations.
AWS Lambda Just Got Faster: What the New Network Bandwidth Increase Means for Developers
A function might need to download a large file from Amazon S3, call another service, process the response, and upload the result somewhere else. In such cases, giving the Lambda more CPU does not necessarily solve the problem if the function is spending most of its execution time waiting for data to move across the network.
What is a VPC Endpoint in AWS?
A VPC Endpoint is a service that allows you to privately connect your Virtual Private Cloud (VPC) to supported AWS services without using: This means your traffic never leaves the AWS network, which: VPC endpoints are powered by AWS PrivateLink (for interface endpoints), enabling secure and private communication between services. How VPC Endpoint Works Explanation […]
Understanding Serverless and AWS Lambda
What is Serverless? Let’s start with the concept of serverless computing. The term serverless can be misleading. It does not mean there are no servers. Instead, it means you don’t have to manage servers. The cloud provider takes care of infrastructure tasks like provisioning, scaling, and maintenance. This allows developers to focus purely on: For […]
Logic Monitor: A Centralized Event-Driven Alerting & Notification Platform
Transforming Fragmented Monitoring into a Unified, Intelligent System The Challenge Different teams relied on different tools to monitor their workloads: This fragmentation created serious operational challenges: We needed a centralized alerting system that could collect all alarms, enrich them, notify the right teams, and create tickets automatically. Our Solution We developed an event-driven monitoring platform—a […]
Modernizing Legacy Integrations with a Serverless Middleware Platform
Bridging 20+ Year Old Systems With Modern Digital Services The Challenge Many government departments still rely on legacy SOAP-based systems built decades ago. As newer services moved to JSON APIs, teams struggled to make both worlds communicate.The existing approach required custom integrations for every service, causing: The goal was clear: Create a secure, scalable, centrally […]
What is Amazon CloudFront?
Amazon CloudFront is a Content Delivery Network (CDN) offered by Amazon Web Services (AWS). That might sound technical, but here’s what it really means: CloudFront is a service that makes websites and apps load faster—especially when people are visiting them from different parts of the world. It works by bringing your website’s content closer to […]