Helper to find an available port to put a server listening on.
const getPort = require('aegir/utils/get-port')const port = await getPort(3000, '127.0.0.1')// if 3000 is available returns 3000 if not returns a free port. Copy
const getPort = require('aegir/utils/get-port')const port = await getPort(3000, '127.0.0.1')// if 3000 is available returns 3000 if not returns a free port.
Helper to find an available port to put a server listening on.