Explore the newsletters

149 blogs found

Apr 28, 2026

How to Add JWT Authentication to SignalR Hubs in ASP.NET Core

Learn how to secure SignalR hubs with JWT Bearer authentication, role-based and claim-based authorization in ASP.NET Core. Pass JWT tokens via query string for SignalR hub. Build a real-time stock price streaming hub with per-user subscriptions using IAsyncEnumerable, connect from JavaScript and .NET clients with accessTokenFactory, and apply security best practices including CORS, access token logging, token expiration handling, and message size limits.

Apr 21, 2026

Getting Started With Event Sourcing in .NET With Marten and PostgreSQL

Learn how to implement Event Sourcing in .NET with Marten library and PostgreSQL. Building a Shopping Cart application with events, streams, aggregates, commands, and projections step by step. Create inline and async projections to build event sourcing read models with Marten.

Apr 15, 2026

New Features in .NET 11 Preview 3

Explore what's new in .NET 11 Preview 3: C# 15 union types (discriminated unions), closed hierarchies, closed enums, collection expression arguments, Runtime Async V2 with cleaner stack traces, file-based apps multiple file support with file include, System.Text.Json PascalCase naming and ignore defaults, EF Core 11 updates (RemoveDbContext, pooled factories, ExcludeForeignKeyFromMigrations), and cryptographically signed container images.

Apr 14, 2026

Synchronous vs Asynchronous Communication in Microservices: How to Choose the Right Approach

Learn when to use synchronous (HTTP, gRPC, GraphQL) and asynchronous (RabbitMQ, Kafka, Azure Service Bus, Azure Event Hubs) communication in microservices. Point-to-point vs. publish/subscribe integration pattern for asynchronous communication. How to use a hybrid approach and combine synchronous and asynchronous communication. a real-world decision checklist when deciding what type of communication to use.

Apr 7, 2026

.NET Aspire Integration Testing Best Practices for Distributed Applications

Learn 7 best practices for writing integration tests in .NET Aspire apps and distributed microservices. Replace WebApplicationFactory and TestContainers with DistributedApplicationTestingBuilder, handle multi-service testing, database cleanup, and common pitfalls. Testing microservices that use PostgreSQL, Redis and call another service via REST HTTP.

Mar 31, 2026

Building Event-Driven Microservices with Azure Service Bus in .NET

Learn how to create an Azure Service Bus in the Azure Portal, create queues, topics, and subscriptions. How to use Azure Service Bus with .NET Aspire and deploy to Azure. How to use Azure Service Bus Emulator with Aspire locally. How to publish and consume messages with Azure Service Bus in event-driven microservices. When to use Azure Service Bus, Azure Event Hubs and Azure Event Grid.

Mar 24, 2026

ASP.NET Core Output Cache: How to Speed Up Your API with In-Memory Cache and Redis

Learn how to use Output Cache in ASP.NET Core using IMemoryCache, IDistributedCache, and Redis. This guide covers Output Cache setup in ASP.NET Core, expiration time, cache policies, VaryByHeader, VaryByQuery, VaryByRouteValue, VaryByValue, tag-based cache eviction, cache eviction based on entity and authenticated user, and how to handle caching safely in authenticated APIs.

Mar 17, 2026

Entity Framework Extensions Options Explained: Everything You Can Customize

Explore Entity Framework Extensions options: BulkInsert, InsertIfNotExists, InsertKeepIdentity, AutoMapOutputDirection, IncludeGraph, AutoTruncate, batch settings, primary key configuration, column input/output/ignore, coalesce, conditional updates, audit, logging, and provider-specific settings for optimized bulk operations.

Mar 10, 2026

Querying and Performing Transactions Across Multiple Database Schemas in a Modular Monolith

Query data across schemas in .NET Modular Monolith without breaking module boundaries. Explore 5 proven approaches: inter-module APIs, domain events with eventual consistency, database views, BFF pattern with YARP, and reporting modules. Master cross-module transactions with EF Core and consistency strategies for .NET applications with practical code examples.

Improve Your .NET and Architecture Skills

Real-world architecture judgment, production trade-offs, and .NET in depth — the things that keep you relevant in the job market.

One real .NET architecture decision every week, with production-ready code you can apply the same day.

For developers who already ship production .NET — no beginner basics.