Description

When a developer already has a dev server running (say with Next.js) that uses 0.0.0.0:3000, Vite doesn't notice and starts a dev server at localhost:3000.

It's a special case, but a common one. It'd be great it Vite could notice this.

Possible dup of #5241, but it wasn't clear to me in that issue that the solution below was explicitly discarded.

Suggested solution

Could Vite could check 0.0.0.0 as well? edit: happy to make a PR, wanted to hear whether this is felt to be a good idea first

Alternative

In #5241 the solution is proposed #5241 (comment)

This problem is solved，set server.host = 0.0.0.0，example config:

server: {
  host: '0.0.0.0',
},

which does sound like the real fix! But for this common case it might be worth checking 0.0.0.0.

Additional context

No response

Validations

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