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ASP.NET Core 9 Web API CRUD with Entity Framework Core - Full Course with DDD, Clean Code & Best Practices

CQRS, or Command Query Responsibility Segregation helps you build super clean and scalable systems with ease. In this article, we will explore this pattern, and use the MediatR package in ASP.NET Core to implement the CQRS Pattern and build a simple yet clean CRUD application in .NET! We will also look into how MediatR notifications work.

#dotnet .NET Web API Zero to Hero Course

20+ .NET Tips from a Senior .NET Developer - Write Better .NET Code

After nearly a decade of working with .NET, I’ve learned that writing great code is only part of the journey. The real growth comes from debugging tough issues, refactoring messy legacy code, and learning from mistakes the hard way. From best practices to real-world insights, here are 20 essential tips that will help you write cleaner, more efficient, and scalable .NET applications. Whether you're just starting out or have years of experience, these lessons will make you a better .NET developer.

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Swagger is Dead? Here's the Alternative!

With the release of .NET 9, you might have noticed that Swagger Gen is no longer included by default in web API templates. This means that when you create a new .NET 9 WebAPI, you no longer have the fancy green Swagger UI to test your API Endpoints. If you're wondering why and what this means for your projects, you're not alone! But don't worry—Microsoft has introduced a new way to handle API documentation that makes things even better.

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Text Extraction with AWS Lambda and Amazon Textract in .NET

Learn how to extract text from PDF documents using AWS Textract and .NET-based AWS Lambda functions. This guide walks .NET developers through building a serverless OCR pipeline using S3 triggers, Textract integration, and real-world implementation tips for handling document processing in the cloud.

#dotnet #aws

How to Upload Large Files in ASP.NET Core Using S3 Multipart Upload and Presigned URLs

Learn how to efficiently upload large files in ASP.NET Core using Amazon S3's multipart upload feature and pre-signed URLs. This hands-on guide walks you through building a scalable, client-driven upload workflow using a .NET 9 Web API and a Blazor WebAssembly frontend. You'll learn how to generate pre-signed URLs, handle file chunking, perform parallel uploads, and finalize the upload with minimal server load. Ideal for developers looking to offload file handling to S3 while maintaining full control from a .NET-based stack.

#dotnet #aws

AWS Step Functions with Lambda for .NET Workflows

Learn how to build scalable, fault-tolerant serverless workflows using AWS Step Functions and .NET Lambda functions. This guide is tailored for .NET developers who want to move beyond simple Lambda functions and orchestrate complex workflows with retries, parallel executions, and state management. We’ll cover the basics of Step Functions, how they integrate with .NET Lambda projects, real-world architecture examples, setup instructions, error handling, and when to avoid using them.

#dotnet #aws

Filters in ASP.NET Core - Everything you Need to Know!

Middleware is a core component of the ASP.NET Core request pipeline, responsible for handling requests and responses efficiently. Understanding how middleware works, its execution order, and best practices is essential for building scalable and maintainable Web APIs. In this guide, we’ll explore the fundamentals of middleware, how requests are processed in ASP.NET Core, and how to implement custom middleware to enhance your applications.

#dotnet .NET Web API Zero to Hero Course

Serverless Image Processing with .NET on AWS using S3, SQS, and Lambda

Learn how to build a fully serverless, production-ready image processing pipeline on AWS using .NET. This guide walks through uploading images via a minimal .NET 9 Web API, triggering S3 event notifications to an SQS queue, and processing those events in a Lambda function using ImageSharp. You'll learn how to resize images into optimized thumbnails, upload them to an output S3 bucket, and monitor the workflow using CloudWatch. The architecture is event-driven, scalable, and cost-efficient—ideal for modern applications handling user-generated content.

#dotnet #aws

Scrutor in .NET – Auto-Register Dependencies for Cleaner and Scalable DI

Scrutor is a lightweight, open-source library that extends .NET’s built-in Dependency Injection with powerful assembly scanning features. In this article, you’ll learn how to use Scrutor to automatically register services by convention—based on interface names, lifetimes, or attributes. We’ll walk through real-world examples like scanning entire assemblies, registering services with custom logic, and cleaning up your DI setup for maintainability and scalability.

#dotnet .NET Web API Zero to Hero Course

Keyed Services in .NET – Advanced Dependency Injection Techniques

Keyed Services in .NET 8 make it easier to work with multiple implementations of the same interface. Instead of writing custom factories or using service locators, you can now register and resolve services by a simple key. This makes your code cleaner, easier to manage, and more flexible. In this article, you’ll learn what Keyed Services are, how to use them in real-world scenarios, and when to apply them in your projects.

#dotnet .NET Web API Zero to Hero Course

When to Use Transient, Scoped, or Singleton in .NET Apps - Understanding Service Lifetimes

Service lifetimes—Transient, Scoped, and Singleton—are a core part of Dependency Injection in .NET. Understanding how they work is critical to designing reliable, performant, and bug-free applications. In this guide, we’ll break down each lifetime, how they behave in ASP.NET Core apps, and when to use them. You’ll see real-world examples, learn the impact of each lifetime on memory and object sharing, and avoid common DI mistakes like capturing Scoped services in Singletons.

#dotnet .NET Web API Zero to Hero Course

Dependency Injection in ASP.NET Core Explained

Dependency Injection (DI) is a foundational concept in ASP.NET Core — and mastering it is key to building clean, testable, and maintainable applications. In this in-depth guide, we’ll break down what DI really is, how it works under the hood in .NET, and how to apply it effectively in both Minimal APIs and Controllers. We’ll cover real-world use cases, interface-driven design, common pitfalls, and advanced patterns like factory delegates and conditional service registration.

#dotnet .NET Web API Zero to Hero Course

Blog.

Featured Articles.

ASP.NET Core 9 Web API CRUD with Entity Framework Core - Full Course with DDD, Clean Code & Best Practices

20+ .NET Tips from a Senior .NET Developer - Write Better .NET Code

Swagger is Dead? Here's the Alternative!

Recent Articles.

Text Extraction with AWS Lambda and Amazon Textract in .NET

How to Upload Large Files in ASP.NET Core Using S3 Multipart Upload and Presigned URLs

AWS Step Functions with Lambda for .NET Workflows

Filters in ASP.NET Core - Everything you Need to Know!

Serverless Image Processing with .NET on AWS using S3, SQS, and Lambda

Scrutor in .NET – Auto-Register Dependencies for Cleaner and Scalable DI

Keyed Services in .NET – Advanced Dependency Injection Techniques

When to Use Transient, Scoped, or Singleton in .NET Apps - Understanding Service Lifetimes

Dependency Injection in ASP.NET Core Explained

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