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Setting the server origin

Setting the port

Use a number to change the port. If the port is not available a new port will be dynamically selected.


Use an array of numbers to specify a range of ports to try. The first available port will be used.

bud.serve([3000, 3010])

Setting the host or protocol

If you need to change hostname or protocol a URL is preferred:

bud.serve(new URL('http://dev.example.test:3000'))

But, a string can be used (it will be converted to a URL):