Messages? Events? or Both?

Most of what I discuss here is culled from https://docs.microsoft.com/en-us/learn/modules/choose-a-messaging-model-in-azure-to-connect-your-services/2-choose-whether-to-use-message-queues-or-events. If you are building a distributed application you will want to ensure the application is both reliable and scalable. You will often leverage communication components to accomplish these objectives. This will necessitate a choice between messages, events or some combination of both? So how do you…

NET Core Web Api and Cosmos DB SDK 2.0 and 3.0

I created an example of a NET Core Web Api that makes use of both the Cosmos DB SDK 2.0 and 3.0. The example is based on an Order entity with multiple Order Item entities. It includes controller methods for working with Orders in both v1 and v2 of the API. Note, in v2 of the…

Logic Apps, Service Bus and Send Grid

In my endeavor to get a better understanding of Azure Logic Apps, I converted some existing code in one of my side projects from Azure Storage Queues and Azure Functions to Service Bus and Logic Apps. The code I was converting sends notifications to users. My code will send a message to a Service Bus…

Azure AD B2C ASP.NET Core Web App and Web Api … Finally!

I have been determined to get an example of a Web App and Web Api working together with Azure AD B2C. Much of the example is based on  https://github.com/Azure-Samples/active-directory-b2c-dotnetcore-webapp. While this is an excellent example, I wanted and example with a separate Web App and Web Api. The code can be found at https://github.com/mattruma/ADB2CWebAppWebApi. I will highlight…

Razor Pages Gotcha

I have been playing around with Razor Pages as of late, you can read more at https://docs.microsoft.com/en-us/aspnet/core/razor-pages/?view=aspnetcore-2.1&tabs=visual-studio. The main difference with Razor Pages and ASP.NET MVC is that the Razor Page includes both the model and the controller. It is more of an MVVM approach, that also includes two-way data binding. Anyway, I was struggling with…

Local Development with Azure Functions and Event Grid

For the past couple of days I have been working with Azure Functions and Event Grid.  The challenge I encountered was getting it so I could run and debug my Azure Functions locally, specifically the Even Grid Azure Function. Finally figured it out! For my example I am using two Azure Functions, the first is…

ASP.NET Core Service Lifetimes Explained

When leveraging Dependency Injection in ASP.NET Core you will want to choose an appropriate lifetime for each registered service. ASP.NET Core services can be configured with the following lifetimes: Transient Scoped Singleton Transient When in doubt, make it Transient. When you add a Transient service you are telling ASP.NET Core that each time the service…

Create Azure Web App with azure-cli

Start at https://shell.azure.com. Forcing my self to get better at using the command prompt as opposed to Azure Portal. These are a list of some of the azure-cli commands that I use frequently. List Locations To retrieve a list of available Azure regions use az account list-locations. Create Resource Group To create a resource group use…

How to Query Azure Table Storage with Postman

In preparation you will need to create a table in either a new or existing Azure Storage Account. In order to query Azure table storage with Postman you will need to create a Shared Access Signature (SAS) token.  To do this navigate to the Shared access signature blade of the table storage account where the…

No Job Functions Found

The following error warning gets me every time I am working with Azure Functions in Visual Studio Code when I run func start: No job functions found. Try making your job classes and methods public. If you’re using binding extensions (e.g. ServiceBus, Timers, etc.) make sure you’ve called the registration method for the extension(s) in…