Getting Started with ASP.NET Core

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Series: Mastering ASP.NET Core: From Zero to Production
Starting something new can be overwhelming, especially when the tech world moves so fast. But ASP.NET Core? It’s one of those frameworks that makes your life easier once you get the hang of it.
In this post, I’ll help you get up and running with ASP.NET Core in under 10 minutes — without the jargon.
ASP.NET Core is the modern web development framework from Microsoft. It lets you build APIs, websites, and microservices that are:
Whether you’re deploying to Azure, AWS, or your own VPS, ASP.NET Core has you covered.
Before we get started, make sure you’ve got:
Run this to check your version:
dotnet --version
Let’s create a new Web API:
dotnet new webapi -n HelloAspNet
cd HelloAspNet
dotnet run
Now visit:
👉 https://localhost:5001/swagger
You’ll see Swagger UI — a clean, interactive way to test your API endpoints. 🎉
Here’s what matters for now:
Program.cs — where your app startsapp.MapControllers(); — connects HTTP routes to controllersWeatherForecastController.cs — sample controller you can deleteThis minimal structure keeps things lightweight and flexible.
Now make a change to the controller, rerun the app, and see what happens. You’ve officially started your ASP.NET Core journey!
Next, we’ll dive into what happens under the hood — aka the Request Pipeline.
➡️ Understanding the ASP.NET Core Request Pipeline →
Follow the series to keep up — we’re just getting started 💪