One of the nice features of Slack is how easy they make it to add custom slash commands simply by providing an HTTP endpoint for them to call. This is the kind of scenario where a "serverless" architecture shines, allowing you to create these HTTP endpoints without having to maintain any actual infrastructure for it. In this post I'll show how easy it is to write a custom Slack slash command that is backed…

While it's been possible to use F# in Azure Functions for some time now, it wasn't until this week that it really became a first class citizen. Previously it would execute your F# scripts by calling out to fsi, but now the runtime is fully available, including input and output bindings, making it a far more compelling option. I recently built a somewhat complex "serverless" application using AWS Lambda and JavaScript, thinking to myself…

Lately I’ve been throwing around the idea of writing an app for my wedding, and started thinking of what I’d want to put in it. One feature that I thought could be fun would be to let guests upload photos directly from the app and display them both to other guests and on our site in real time. In this post I’ll go over how I was able to quickly put together a…