Steve "Ardalis" Smith

Clean Architecture Solution Template: A proven Clean Architecture Template for ASP.NET Core 10

A simple package with guard clause extensions.

A project for supporting API Endpoints in ASP.NET Core web applications.

A base class for quickly and easily creating strongly typed enum replacements in C#.

Base class with tests for adding specifications to a DDD model

A result abstraction that can be mapped to HTTP response codes if needed.

Sample code for the Pluralsight DDD Fundamentals course by Julie Lerman and Steve "ardalis" Smith

A DDD guestbook example written for ASP.NET Core

A solution template using Clean Architecture for building a .NET Core Worker Service.

My list of code katas

Some design approaches to enforcing a business rule requiring no duplicates. Domain driven design.

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Samples associated with Pluralsight design patterns in c# courses.

The ultimate new software project decision/question checklist

A sample meant to demonstrate domain driven design using a veterinary hospital management system.

Offers several different ways to organize content in ASP.NET Core MVC and Razor Pages projects.

Modulith is a dotnet new template for Modular Monoliths. It streamlines the creation of new .Net solutions and the addition of modules to existing ones.

Some useful base classes, mainly used with the CleanArchitecture template. Also, a template to make your own SharedKernel nuget package.

Resources related to my Pluralsight course on this topic.

Some random C# extension methods I've found useful. Published as Ardalis.Extensions on Nuget.

Modular Monolith sample for Dometrain

A sample demonstrating the CachedRepository pattern

A tour of different data access approaches in .NET 8+.

Extensions for testing HTTP endpoints and deserializing the results. Currently works with XUnit.

A simple demo listing all services available to an app at startup

A simple xUnit C# test showing how to verify a certificate for a domain has at least 30 days before it expires.

An ASP.NET Core Route Debugger implemented as a Razor Page

Filters samples associated with MSDN article

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Sample showing MediatR with ASP.NET Core

Full Modular Monolith application with Domain-Driven Design approach.

A console app showing domain events in action using .NET 5

Show how to use a builder with unit tests.

A sample editorconfig file for use with .NET / C# applications

Extension methods to make working with EF Core easier.

A curated list of Domain-Driven Design (DDD), Command Query Responsibility Segregation (CQRS), Event Sourcing, and Event Storming resources

Some samples using C# generics for a Pluralsight course.

Some classes to make working with APIs easier.

An example of the State design pattern in C#

Examples of approaches to unit testing different kinds of code in C#.

Middleware for detecting and correcting website 404 errors.

Compare and evolve modern .NET architectures — from Vertical Slices to Clean Architecture, Modular Monoliths, and Microservices — using EF Core, Aspire, and Mediator.

A minimal Web API for ASP.NET Core

Sample ASP.NET Core 3.1 reference application, powered by Microsoft, demonstrating a layered application architecture with monolithic deployment model. Download the eBook PDF from docs folder.

A sample showing how to add ASP.NET Core Identity auth options to the basic Blazor app.

A list of links to resources.

Some examples showing domain modeling tips and traps

A sample showing how to use domain events within aggregates

Back end content for ardalis.com running with Netlify and Gatsby.

Some utilities for EF Core to use Specifications

An ultra-simplified explanation to design patterns

A sample demonstrating strongly typed C# alternatives to enums.

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A starting point for the Gilded Rose kata using dotnet core, C#, and xunit.

A sample showing how to test a secure API endpoint using xunit, identityserver4, and environment variables

Some examples of double dispatch in C# and how to use in domain models.

Resources for my Pluralsight course on Refactoring to SOLID C# Code

A starting point for solving Project Euler problems using C#.

A model binder for ASP.NET Core that supports pulling in values from the route and body of a request.

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Demonstrating how to get started with MongoDB as quickly as possible in dotnet

A full-stack .NET 6 Microservices build on Minimal APIs and C# 10

Learn how to design systems at scale and prepare for system design interviews

A reference .NET application implementing an eCommerce site

A sample app for my online course "Clean Architecture: Patterns, Practices, and Principles" in .NET Core

The simplest YARP ASP.NET Core app that just passes everything through to another domain.

A project for holding Roslyn analyzers that leverage Ardalis.GuardClauses

A personal CLI tool with business card and other resources

A sample using MediatR to map endpoints using minimal apis

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Converts a project to use Centralised Package Management

A sample project showing how to wire up Domain Events

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Reusable GitHub action workflows

▶️ An awesome list containing awesome YouTubers that teach about technology.

An AI-coded New Year's Resolution Tracker

Simple, unambitious mediator implementation in .NET

A sample showing how to test logging is working as expected in ASP.NET Core apps.

Public resources supporting private software quality workshops I'm delivering in 2020.

Source code for the regexlib.com regular expression library site.

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A collection of tips on using Claude

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When should you use static factory methods for aggregates?

A starting point for the CORK - Chain of Responsibility Kata

Getting started with Redis in dotnet

A small sample showing how to create, manage, use access tokens.

A simple, fluent, extensible, and fully customizable library for throwing exceptions for projects using .NET 6+

A very small library/package that includes a model validation attribute for ASP.NET Core projects.

Architecture decision record (ADR) examples for software planning, IT leadership, and template documenation

A Rosyln-powered generator for strongly-typed IDs

Framework for ASP.NET Core to secure SPAs using the Backend-for-Frontend (BFF) pattern

Resources for aspiring speakers

A sample project showing Serilog configured in the default .NET 6 web application template

A simple request authorization package that allows you to build and run request specific authorization requirements before your request handler is called.

A sample using NLog to create custom loggers that include app-specific data in the output.

Some projects used to demonstrate the performance of different unit testing frameworks for .NET Core

Some examples of when and how C# properties work in different application scenarios.

Samples showing what's new in ASP.NET Core 2.1

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A tutorial for getting started with C# single file scripts and a collection of samples.

Entity Framework Core Bulk Batch Extensions for Insert Update Delete and Read (CRUD) operations on SQL Server

Example API that shows how to implement JSON Web Token authentication and authorization with ASP.NET 6, built from scratch. Related article: https://medium.com/@evandro.ggomes/json-web-token-authentication-with-asp-net-core-2-0-b074b0cfc870

Text and images from UML and similar diagrams

A simple app showing perf gains of using WhenAll for parallel task execution.

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A starting point for solving Project Euler problems using node.js

A .NET library to optimize data and reflection-based operations using caching.

A unit test project that tests owned entities in EF Core

Sample showing Domain Events and Integration Events with Web API 2

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A minimal ASP.NET Core Aspire Clean Architecture with Vertical Slice Architecture solution template.

.NET Aspire

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Build all of your apps using what you already know and love ❤️

Sample showing the down side of validating everywhere

Code to support an article on why you should avoid C# events in ASPNET Core apps

Examples and Tutorials of Event Sourcing in .NET

Replacing MediatR with plain OOP

A place I'm trying out the new ASP.NET Core minimal APIs features.

An ASP.NET MVC application that lets users try out the Monty Hall problem and shows their stats.

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An incomplete sample showing clean code and DI in ASP.NET Core

Working on this: https://adventofcode.com for 2022

Some simple extension method samples

Showing new EF Core 2.0 feature for raw SQL queries

Next Generation .NET Command and Message Bus

☁️ .NET Standard client library for Azure Service Bus

Experiment with an AI-powered conversational editor

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A package for running Single File Tests in C# and dotnet.

This repository contains .NET Documentation.

PizzaShop is an example of a messaging pipeline, using Azure Service Bus and Kafka

A starting point for a code kata using AutoFixture

A simple HTMX enabled TODO app built by/with GitHub Copilot and VS Code.

Cross-platform .NET sample microservices and container based application that runs on Linux Windows and macOS. Powered by .NET 7, Docker Containers and Azure Kubernetes Services. Supports Visual Studio, VS for Mac and CLI based environments with Docker CLI, dotnet CLI, VS Code or any other code editor. Moved to https://github.com/dotnet/eShop.

Blazor workshop

This repo contains the base Docker images for working with .NET Core and the .NET Core Tools.

Provides a set of libraries which add service API versioning to ASP.NET Web API, OData with ASP.NET Web API, and ASP.NET Core.

ReportGenerator converts coverage reports generated by OpenCover, dotCover, Visual Studio, NCover, Cobertura, JaCoCo, Clover, gcov or lcov into human readable reports in various formats.

Learning how to implement domain events without any external references or DI in a domain entity

A .NET library that makes it easier to create beautiful console applications.

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Regexlib.com source

Some logging utilities for .NET Core

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A console app showing the basic setup of Castle Windsor for IOC

Ralph is a small runner around GitHub Copilot CLI (standalone) inspired by the“Ralph Wiggum” technique: run a coding agent from a clean slate, over and over, until a stop condition is met

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.NET bindings for openslide (http://openslide.org/)

A tool for producing images from templates with text overlays

A convention-based object-object mapper in .NET.

A simple site for counting tempo and reps for weight training.

An analyzer that ensures a project has only specific public types exposed.

Simple RabbitMQ client implemented with .net core 2.2 and IHostedService interface.

Convert image file (including animated GIF) to 16-color ANSI art

Twilio C#/.NET Helper Library for .NET Framework 3.5+ and supported .NET Core versions

Just a repo for testing some things

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A repository holding my String Calculator Kata (see https://github.com/ardalis/kata-catalog) attempts.

A repository containing presentation content (slides, demo code, whatever) from CodeMash 2016 sessions.

A simple implementation of the String Calculator kata for some blogging examples

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Tests demonstrating EF Core features across versions.

A collection of validation rules for VS Web Tests

Demos for ASP.NET Core Quick Start MVC Lesson

A sample FizzBuzz kata implementation using VS2015

GildedRoseKata

WIP - agentic chat application template built with TypeScript, Next.js, TailwindCSS, and Shadcn.

Some examples of single file .NET tests using xUnit.

💫 Toolkit to help you get started with Spec-Driven Development

This repository feeds the creator list at WeAreDotnet. It is also used to track issues and suggestions

The swiss army knife of healthcare integration.

Workshop materials for software development supported by generative AI

My NPX calling card.

OHIF zero-footprint DICOM viewer and oncology specific Lesion Tracker, plus shared extension packages

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Compute code complexity for c, c++, c#, javascript, typescript.

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Documentation for Entity Framework Core and Entity Framework 6

gRPC for WCF Developers guidance samples

MediatR extensions for Microsoft.Extensions.DependencyInjection

Incredibly simple real-time web for .NET

"dotnet new" project & item scaffolding templates.

Code for Head First Design Patterns book (2020)

This repository contains the source code for the "Blazor Series" on Code Maze blog

Some sample code for making multiple assertions in a test.

A NuGet Package that pads strings on the left.

Sample ASP.NET Core 10.0 reference application, powered by Microsoft, demonstrating a domain-centric application architecture with monolithic deployment model.

Cross-platform desktop teleprompter application built with Electron.js

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Direct File

The most customisable and low-latency cross platform/shell prompt renderer

A sample from Programming with Palermo - https://www.palermo.network

.NET language playground

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