I live next to the park and every summer pizza-delivery guys keep ringing my doorbell to deliver pizza for people in the park. So I figured I’ll train my doorbell to recognise them and disable the doorbell as soon as it identifies one. To do so, I needed image classification…

GraphQL is a query language developed by Facebook in 2012 (publicly released in 2015). In a GraphQL query, the consumer of an API specifies the structure of the data it needs. …

The concept of microservices sounds fairly easy. And it is. Until you start adding requirements. For example, here are some common real-life scenarios: We want to authenticate users with SSO (OAuth2/OpenID Connect). And we don’t want to store access tokens in the front end anymore because it’s 2022 and we’re…

Enabling authentication in a Web App or Container App hasn’t been easier in Azure. Just navigate to your web app in the Azure portal, and on the left, under “Settings”, choose “Authentication”: When you click “Add an identity provider”, you can choose several identity providers to authenticate your users: Microsoft…

DAPR is an abbreviation for Distributed APplication Runtime. As the name implies, it’s useful for container-based, distributed architectures. It makes life easier when it comes to: Service Discovery. When you deploy multiple instances of your application, then how do you find them? This is where DAPR comes to the rescue. …

When you hear “test automation” you probably think of end-to-end testing with Selenium. It is the hammer of the metaphorical toolkit of test automation. When you have a selenium-based test suite, often it grows into proportions that cause maintenance issues. It takes too long to run these tests, so they…

Azure Functions supports various runtimes. One of them is PowerShell. Not all workloads of an Azure Function are complex. In that case, a PowerShell Azure Function might be useful to execute small tasks. In this article, I’m creating an Azure Function based on PowerShell. I’m coding the required infrastructure with…

And deploying it from Azure DevOps to an Azure Function — Azure Functions is a serverless technology that allows you to process events. It allows you to act on a blob being added, for example, or a message being published on a queue or an HTTP request. You can write an Azure function in Python, PowerShell, C#, Node, or Java. When…

Who wants to build a monolith nowadays? Microservices are the way to go! But that’s no cheap alternative. It introduces all sorts of complexity. For example: Assume having several user-interface agnostic microservices, how “chatty” will your SPA or mobile app become? General-purpose APIs might require consumers of APIs to aggregate…