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0xcaff avatar 0xcaff commented on March 29, 2024 7

It would be nice if you could specify the port too.

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gaearon avatar gaearon commented on March 29, 2024 4

I think it should ask: Something is already running at http://localhost:3000. Would you like to run the app at another port instead? [Y/n]

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sotojuan avatar sotojuan commented on March 29, 2024 2

If accepted, I can work on this using this module.

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gaearon avatar gaearon commented on March 29, 2024 2

Should be out in 0.2.0 alpha, please help us test it. #190

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eanplatter avatar eanplatter commented on March 29, 2024

I noticed this issue too, I'd prefer to have it just throw an error personally. If you start switching ports dynamically it can get confusing, especially for newer users who will be referencing the docs.

@sotojuan if you have a solution in mind make a PR :) It's easier to get into more nitty gritty discussion on a PR.

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gaearon avatar gaearon commented on March 29, 2024

But yes, this is accepted, and we can discuss specific UX in a PR.

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gaearon avatar gaearon commented on March 29, 2024

I’d like to try an automatic way first.
If people will still complain after we add it, we’ll definitely allow specifying it.

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chocnut avatar chocnut commented on March 29, 2024

@gaearon here's a PR for a prompt if port is in use #101

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gaearon avatar gaearon commented on March 29, 2024

Yep, I’ll review next week. 👍

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gaearon avatar gaearon commented on March 29, 2024

This was fixed in #243.

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gkaemmer avatar gkaemmer commented on March 29, 2024

Strangely, I'm finding that create-react-app 0.2.3 still is unable to detect another service running at port 3000. I have a Rails app running on 3000, and npm start still outputs:

Compiled successfully!

The app is running at:

  http://localhost:3000/

Note that the development build is not optimized.
To create a production build, use npm run build.

When I go to http://localhost:3000, I only get the Rails app. I'm on a Mac running El Capitan. Anyone else running into this?

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gaearon avatar gaearon commented on March 29, 2024

We use detect-port so you can try this library separately and file issues if you figure out what's wrong. Its code is pretty small.

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