# Multiple test server running in JavaScript

You can run multiple instances of the test server. To do this, each copy needs to have its own port specified.

For example, let's start the first server on `3001` port:

`export default { port: '3001', }`

And the second server on `3002` port:

`export default { port: '3002', }`

Make multiple instances of the server. Run each one on its own port.

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