Starting your krakend.json configuration from scratch and writing every attribute in a blank editor might be a difficult and time consuming task, and that’s why we have the KrakenDesigner. KrakenDesigner is an aid tool to generate KrakenD configurations for the uninitiated audience. It produces a verbose output of the configuration file and explicitly writes unneeded attributes to let you see that a specific configuration option exists. These attributes I am mentioning are not necessary because they contain default values and the server is not going to alter its behavior.

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A recurrent question when we go around is if KrakenD configuration can be hot-reloaded, this is changing endpoints, backends, or any other configuration of the gateway while it’s running. The short answer is: No, you can’t. You must restart the server. And although we might have something to alleviate this, let us explain first why we don’t support such a feature: Performance: This is the #1 reason, and strong enough.

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