KrakenD: Writing Plugins using Golang

Summary KrakenD has caught my attention as a Gateway solution because of its claim at incredible performance and extensibility. It is Open Source and can be tailored to your needs or can be extended in a convenient way with its support for Golang Plugins. Plugin, what? Go plugins are a fairly new addition to Golang (support starting with Go 1.8), but they provide a very innovative way to add functionality to a Go application. Go plugins are soft-linked, meaning that they are picked up by the main appication at runtime. Since plugins need to be part of the main package, their main() function is not run; they are initialized once and cannot be closed. Once small caveat of plugins at the time of writing, is that they cannot be compiled on a Windows OS; Linux and MacOS work just fine. For the following examples I will use Linux to show how to setup KrakenD and add a plugin. Read more