Production Rate Limiting in ASP.NET Core
Most ASP.NET Core rate-limiting examples stop after registering a fixed window. That is enough to demonstrate the middleware, but it is not enough for a production policy.
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Tag: Csharp
Blog Posts with tag "Csharp"
C# guides with practical examples for async programming, testing, language features and performance in .NET applications, written by Benjamin Abt.
The Big Decimal Bugfix with .NET 11
For more than two decades, (decimal)1.23 returned 1.23m. It looked correct, it passed every test and it was a polite lie.
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Distroless, Chiseled or Alpine: Choosing a .NET Base Image
Distroless, Chiseled and Alpine are often compared as three equivalent Linux distributions. They are not. Alpine is a distribution built around musl, BusyBox and apk. Distroless describes a runtime image without a …
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Containerizing .NET in 2026 Without a Dockerfile
Most .NET Dockerfiles repeat the same five steps: restore, publish, select the matching Microsoft runtime image, copy the output and start the application. That works, but it rarely expresses application-specific intent. …
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Problem Details in ASP.NET Core and .NET 11
builder.Services.AddProblemDetails() registers infrastructure. It does not create an error contract. An ASP.NET Core request can fail during binding, validation, authentication, authorization, endpoint execution, …
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Resilience in .NET with Microsoft.Extensions.Resilience
Retries are the most visible resilience strategy and the easiest one to misuse. Repeating a failing call can recover from a short network problem. It can also multiply load, repeat a write and keep working long after the …
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What Matters in ASP.NET Core 11
ASP.NET Core 11 has no single feature that fundamentally changes how web applications are built. That is not a criticism. Mature frameworks improve by removing custom infrastructure, tightening defaults and making common …
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Migrating Semantic Kernel Agents to Microsoft Agent Framework
Microsoft Agent Framework is the successor to the agent capabilities in Semantic Kernel and AutoGen. That statement is easy to misread as “replace the package and rename a few classes.” The migration is more …
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Building Production MCP Servers with ASP.NET Core
An MCP server can look deceptively small. A package is installed, a method receives an attribute and ASP.NET Core maps an endpoint. That is enough for a demonstration. It is not enough for a server that is allowed to …
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Automatic TTL in Azure Cosmos DB with .NET
Temporary data is easy to create and surprisingly difficult to remove reliably. Sessions, idempotency keys, import buffers, transient integration responses, processed-message markers and short-lived audit records all …
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