AAAwais Ahmadinblog.itsahmadawais.com·Jul 3 · 7 min readAWS Lambda with Python: A Step-by-Step Guide to Build and Deploy Your First Serverless FunctionWhen you first start building applications, you usually think about buying or renting a server—a computer that sits somewhere in a data center, running 24/7, waiting for someone to use their app. But 10
AAAwais Ahmadinblog.itsahmadawais.com·Jun 28 · 6 min readAWS CDK: Stop Clicking. Start Coding Your InfrastructureYou've built your application. Now, it's time to deploy it to Amazon Web Services (AWS). So, you open the AWS Console, click through a dozen complex menus, create an Amazon S3 bucket, wire up an AWS L10
AAAwais Ahmadinblog.itsahmadawais.com·Jun 27 · 6 min readWhy Scaling Servers Doesn't Fix Your Database BottleneckHorizontal scaling solves many problems. But it doesn't solve all of them. One of the most common misconceptions among developers is that adding more application servers automatically means the applic20
AAAwais Ahmadinblog.itsahmadawais.com·Jun 26 · 5 min readFrom One Server to Thousands: A Guide to Scaling and Load BalancersWhen you launch a new application, a single-server architecture is usually more than enough. Your users send requests, the server processes the backend logic, talks to the database, and returns a resp00
AAAwais Ahmadinblog.itsahmadawais.com·Jun 25 · 3 min readWhat Happens When You Type google.com? (DNS Explained Simply)Most engineers use the internet every day without thinking about what actually happens before a page loads. Understanding that process is one of the first building blocks of system design. Let's start34JSJ
