node package manager
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Finds an open port (using portfinder) and sends output to stdout

npm install -g portdiscovery


Simply run portdiscovery and it will look for open ports starting in 8000.

You can specify a base port if 8000 doesn't fit your needs: portdiscovery 8010

Cool tip

You can assign to a bash variable then use it to deploy your apps, for example:

echo $httpPort