asked 2 months ago
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One application is running on port 3000 and I want to run another application on a different port from the default port, which is 3000. How do I change this in React Next.js? My package.json currently contains:
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"dev": "next",
"build": "next build",
"start": "next start"
},
And the CLI command that I use to start dev is npm run dev.
There are two ways to do so:
In your package.json file, add -p 8080 to the dev/start scripts to start the server on port 8080:
"scripts": {
"dev": "next -p 8080",
"build": "next build",
"profile-build": "next build --profile",
"start": "next start -p 8080"
}Alternatively, if you don't want to hardcode this in the package.json file, you could start the script with ENV variable PORT.
PORT=8080 npm run dev
Visit vercel documentation for more information.