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I'm trying to serve a react-app's build folder from a DigitalOcean droplet.
After I run yarn build, I get told by the script to run
yarn global add serve
serve -s build
However, when I run serve -s build, It say's it's running on http://localhost:5000. I would like it run on localhost:3000 instead, as I have another server running on port 5000. How can i specify the port number such that serve -s build runs on port 3000?
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Any port 1024 or higher outside that list should be safe, but if users are trying to access your site from a hostile environment you'll have to experimentally find out which ports are unfiltered. You really want to use port 80/443 for best interoperability.
Change port with nextjs script json file in the script section. Make sure to change the port with -p flag in nextjs scripts. "scripts": { "dev": "next -p 3002", "build": "next build", "start": "next start -p 3002",}, You also change the port for different environments like dev, build and start in nextjs.
From typing serve --help, I found
-l, --listen listen_uri
Specify a URI endpoint on which to listen
For TCP ports on hostname "localhost":
$ serve -l 1234
In your case, you can just use
serve -l 3000 -s build
to specify that you want to serve the app on port 3000
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