Nuxt/docs/content/3.api/5.commands/dev.md

nuxi dev

npx nuxi dev [rootDir] [--clipboard] [--open, -o] [--no-clear] [--port, -p] [--host, -h] [--https] [--ssl-cert] [--ssl-key]

The dev command starts a development server with hot module replacement at http://localhost:3000

Option	Default	Description
rootDir	.	The root directory of the application to serve.
--clipboard	false	Copy URL to clipboard.
--open, -o	false	Open URL in browser.
--no-clear	false	Does not clear the console after startup.
--port, -p	3000	Port to listen.
--host, -h	localhost	Hostname of the server.
--https	false	Listen with https protocol with a self-signed certificate by default.
--ssl-cert	null	Specify a certificate for https.
--ssl-key	null	Specify the key for the https certificate.

The port and host can also be set via NUXT_PORT, PORT, NUXT_HOST or HOST environment variables.

This command sets process.env.NODE_ENV to development.

::alert{type="info"} If you are using a self-signed certificate in development, you will need to set NODE_TLS_REJECT_UNAUTHORIZED=0 in your environment. ::

::stabilityEdge{title="Improved HTTPS Support"} With next releases, NODE_TLS_REJECT_UNAUTHORIZED is no longer required. ::