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.NET

Azure Cosmos DB Transactions from .NET

I received a comment to my Optimistic Concurrency in Azure Cosmos DB  a couple weeks ago from Jerry Goyal: Can we somehow handle the concurrency among multiple documents (transactions)? Since ETags are defined on each document, you must build your concurrency around them.  However, this made me start to wonder how to update multiple documents at the same time using their respective ETags.  Meaning you would want both documents to update together only if both of their ETags were current.  If one was valid and the other was out of date, none of the documents would update. Transactions It’s pretty obvious… Read More »Azure Cosmos DB Transactions from .NET

Environment Variables in ASP.NET Core

In my last post, I covered how to handle sensitive configuration data by using User Secrets while working in development or on your local machine.  The next step is how to use environment variables in ASP.NET Core once you deploy to production (eg Azure App Service)? If you have any questions, please follow me on Twitter.   https://www.youtube.com/watch?v=InyWktgdWJUVideo can’t be loaded because JavaScript is disabled: Multiple Environments in ASP.NET Core (DEV, PROD) (https://www.youtube.com/watch?v=InyWktgdWJU) IHostingEnvironment In your ASP.NET Core Startup class, the ctor has a IHostingEnvironment parameter.  One of the properties on it is the EnvironmentName.  Along with this are a few… Read More »Environment Variables in ASP.NET Core

Sensitive Configuration Data in ASP.NET Core

While working on my new side-project in ASP.NET Core, I was at the point where I needed to start storing sensitive configuration data. Things like my DocumentDB Auth Key, Google OAuth ClientId & Secret, Twilio Auth Token, etc. Depending on your context you may not want to be storing these types of application settings in configuration files that are committed to source control. As you would expect, my local environment for development and once I deploy to Azure have completely different configurations. So how do you change the configuration from local to production? If you are used to using appSettings from the app.config… Read More »Sensitive Configuration Data in ASP.NET Core