KrakenD is now included in homebrew-core. You can install the latest Krakend with:
brew install krakend
Install KrakenD API Gateway in your Mac with this tap.
This tap compiles and installs for you the KrakenD Community Edition
$ brew tap devopsfaith/krakend
$ brew install krakend
In order to start KrakenD you will need a configuration file. Download yours using KrakenDesigner or get a sample krakend.json
$ krakend run --config krakend.json -d
More information and documentation: KrakenD site