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My new book ASP.NET Core in Action, Third Edition is available now! It supports .NET 7.0, and is available as an eBook or paperback.

How to create a Helm chart repository using Amazon S3
In this post, I'll show how you can use an AWS S3 bucket to host a Helm chart repository, how to push charts to it, and how to install charts from it.…

Exploring the Microsoft.AspNetCore.App shared framework in ASP.NET Core 2.1 (preview 1)
ASP.NET Core 2.1 introduces the Microsoft.AspNetCore.App shared framework. In this post, I look at the motivation for this change, and what it means for devs…

Fixing Nginx "upstream sent too big header" error when running an ingress controller in Kubernetes
This post describes how to fix the error "upstream sent too big header while reading response header from upstream" when using an Nginx ingress in Kubernetes…

ASP.NET Core in Action - Filters
This post contains a sample from my book ASP.NET Core in Action, in which I provide a brief introduction to the MVC filter pipeline in ASP.NET Core.…

Coming in ASP.NET Core 2.1 - top-level MVC parameter validation
This post looks at a feature coming in ASP.NET Core 2.1 related to Model Binding in ASP.NET Core MVC/Web API Controllers - top-level parameter validation.…

Gotchas upgrading from IdentityServer 3 to IdentityServer 4
This post covers a couple of gotchas I experienced upgrading IdentityServer 3 to IdentityServer 4. In particular, changing URLs and a validation problem.…

