fix(nuxi): respect NUXT_PORT and NUXT_HOST vars in dev mode (#3973)

docs/content/3.docs/1.usage/8.cli.md

@@ -35,6 +35,8 @@ Option        | Default          | Description
 `--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`. To override, define `NODE_ENV` in a `.env` file or as command-line argument.
 
 ## Build

packages/nuxi/src/commands/dev.ts

@@ -23,8 +23,8 @@ export default defineNuxtCommand({
     const listener = await server.listen({
       clipboard: args.clipboard,
       open: args.open || args.o,
-      port: args.port || args.p,
-      hostname: args.host || args.h,
+      port: args.port || args.p || process.env.NUXT_PORT,
+      hostname: args.host || args.h || process.env.NUXT_HOST,
       https: Boolean(args.https),
       certificate: (args['ssl-cert'] && args['ssl-key']) && {
         cert: args['ssl-cert'],