.NET Development, Azure Cloud, and Authentication Insights

IdentityServer in Docker Containers: Networking (Part 2)

This is part 2 of a blog series on containerizing a Duende IdentityServer and a client application. In this post, we resolve communication challenges that arise when these applications run in separate Docker containers. You’ll learn how to fix back-channel issues, handle localhost conflicts, and establish proper networking between the client and IdentityServer. This blog […]

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IdentityServer in Docker Containers – Part 1

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Getting Duende IdentityServer and a client application up and running in separate containers can be challenging. This blog post will provide a step-by-step guide for a smooth setup and show you how to resolve common challenges along the way. We will also learn about security, cookies, ports, containers, and certificates. This is a big topic,

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Pushed Authorization Requests (PAR) in ASP.NET Core 9

Leave a Comment / .NET / Tore Nestenius

ASP.NET Core 9 introduces support for Pushed Authorization Requests (PAR) in its OpenIdConnect authentication handler. But what exactly is PAR, and why does it matter? In this post, I’ll explain what PAR is, how it works, how to use it with Duende IdentityServer, and when you should consider using it in your applications. What is

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Introducing the Cloud Debugger for Azure

Leave a Comment / Azure / Tore Nestenius

The Cloud Debugger is an open-source tool for Azure developers to explore, learn, and troubleshoot their Azure cloud environments. Whether preparing for Azure certification, looking to streamline debugging, or aiming to deepen your understanding of Azure, Cloud Debugger provides the tools to make the cloud more discoverable. Background – Getting Azure certified As I prepared

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User Delegation SAS Tokens In Azure Explained

Leave a Comment / Azure / Tore Nestenius

I discovered many interesting Azure features while studying for the AZ-204 certification. One of these features is User Delegation SAS tokens, a way to provide access to Azure Blob Storage. In this blog post, I’ll share what I learned about these tokens and how to use them in C#/.NtET. Accessing Azure Storage Accounts Azure offers

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Running Docker in an Azure Windows Virtual Machine – Not so fast!

Leave a Comment / Azure / Tore Nestenius

This blog post describes getting Docker up and running inside an Azure Windows Virtual Machine. This might sound like a simple task, but trust me, there are some surprises on the way that took me a day or so to figure out. Why run docker in an Azure Virtual Machine? As a trainer, I need

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Deploy Container to Azure App Services with System-Assigned Identity

Leave a Comment / Azure / Tore Nestenius

Deploy a container to Azure App Services Using a system-assigned Identity In this blog post, I will guide you through deploying a custom container image to Azure App Services from a private container registry using a system-assigned managed identity and the Azure CLI. We will focus on leveraging the system-assigned managed identity approach in this

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Deploy a container to Azure App Services using Azure CLI and user-assigned managed identity

Deploy containers Azure App Services using user-assigned managed identity

Leave a Comment / Azure / Tore Nestenius

This blog post describes my approach to successfully deploying a custom container image to Azure App Services from a private container registry, using a user-assigned managed identity and the Azure CLI. This blog post will cover how to do this using a user-assigned managed identity, and a separate post will cover how to do this

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Discovering .NET codebases using code coverage and NCrunch

Leave a Comment / .NET / Tore Nestenius

Exploring and discovering unfamiliar codebases is always a challenge. In this blog post, I will introduce a novel way to explore a new codebase by looking at the code coverage using NCrunch.NET. Background As a developer, you’re often challenged to understand new libraries; you ask: ‘how does it work’, ‘what makes it tick?’, what parts

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DefaultAzureCredentials Under the Hood

Leave a Comment / Azure / Tore Nestenius

The DefaultAzureCredentials is key for using Azure services, but how exactly does it work and when should you use it? In this post, we’ll break down how it operates, its challenges, and other ways to access Azure services. This guide will help you get a clearer picture of how to handle Azure authentication simply and

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Author name: Tore Nestenius