From Zero to Hero: REST APIs in .NET
Learn how to build elegant and scalable REST APIs in ASP.NET Core
Nick Chapsas
Nick Chapsas is a .NET & C# content creator, educator and a Microsoft MVP for Developer Technologies with years of experience in Software Engineering and Engineering Management.
He has worked for some of the biggest companies in the world, building systems that served millions of users and tens of thousands of requests per second.
Nick creates free content on YouTube and is the host of the Keep Coding Podcast.
My Courses
From Zero to Hero: Unit testing in C#
Everything you need to know to Unit Test your C# codebases
From Zero to Hero: Integration testing in ASP.NET Core
Everything you need to know to integration test your ASP.NET Core codebases
From Zero to Hero: Dependency Injection in .NET
Everything you need to know from the basics to very advanced concepts
From Zero to Hero: Minimal APIs in .NET with C#
Everything you need to know about building Minimal APIs in .NET 6 and beyond
From Zero to Hero: Logging in .NET
Everything you need to know about Logging in .NET
Cloud Fundamentals: AWS Services for C# Developers
Everything a C# developer needs to know to get started with the most popular services of AWS
My Blogs
Create a ChatGPT Console AI Chatbot in C#
This walkthrough is your hands-on entry point to create a basic C# console application that talks to ChatGPT using the OpenAI API.
Design Patterns in C#: Singleton with examples
Get started with the singleton design pattern in software engineering.
Getting Started with Dependency Injection in .NET
Learn the basics of Dependency Injection in modern .NET
Learn how to build Modular Monoliths in .NET
Learn how to build modern systems without the microservices tax.
Getting Started with Unit Testing in C#
Learn the basics of Unit Testing in modern .NET using C#
Getting your company to pay for your training
Companies paying for your training is an investment for both you and them. Here is how to convince them.
Meet Domebrain: Your AI Teaching Assistant
You now have a new study partner: Domebrain - our AI Teaching Assistant built to help you learn faster, deeper, and with more confidence.
Introduction to Docker for .NET Developers
Get started with containers in .NET using Docker.
Introduction to SOLID Principles in C#
Learn what the SOLID Principles are in Software Engineering and why you need them
Logging in .NET - Best Practices
Logging is a fundamental of any application. Learn how to get it right.
Sending email with C# in .NET
Email is everywhere! Notifications, receipts, authentication flows. Learn how to send emails in .NET using C#.
What is Asynchronous Programming in C#?
Async code lets your app handle more work without blocking threads. In C#, async/await is the way to write non-blocking I/O that still reads nicely.
Why you should become a .NET Developer
The best time to become a .NET developer was 20 years ago. The second best one is today.
Workshops
Building scalable, cloud native, distributed systems in .NET
Azure Dev Summit
1-day workshop | 16/10/2025
Building scalable, cloud native, distributed systems in .NET
NDC Porto 2025
2-day workshop | 20/10/2025 - 21/10/2025
From Zero to Hero: Unit Testing in C#
NDC Porto 2025
1-day workshop | 22/10/2025
From Zero to Hero: Integration Testing in .NET
NDC Porto 2025
1-day workshop | 23/10/2025
Building distributed systems in .NET with .NET Aspire
NDC Porto 2025
1-day workshop | 24/10/2025
Building distributed systems in .NET with .NET Aspire
Build Stuff 2025
1-day workshop | 6/12/2025
© 2025 Dometrain. All rights reserved.
