29 lines
1.8 KiB
Markdown
29 lines
1.8 KiB
Markdown
# Tesfy Example
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[Tesfy](https://tesfy.io/) allows you to create **unlimited** A/B Tests and Feature Flags for **free** using a [web app](https://app.tesfy.io/) or by your self.
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This example shows how to integrate [react-tesfy](https://github.com/andresz1/react-tesfy) in Next.js.
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To use Tesfy there are only two mandatory things needed. A `userId` and a configuration file known as `datafile`. In the `_app.js` you will notice that those are being get.
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The `userId` must uniquely identify a user even if not logged in, for that reason a [uuid](https://en.wikipedia.org/wiki/Universally_unique_identifier) is created and stored in a cookie so the next time a page is requested a new `userId` won't be created, instead the cookie one will be used.
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The `datafile` is just a `json` that defines the configuration of the experiments and features available. It must be fetched from Tesfy CDN or from your own servers at least everytime a request is performed, later on this configuration could also be fetched if wanted (e.g. during page transitions).
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## Deploy your own
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Deploy the example using [Vercel](https://vercel.com):
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[](https://vercel.com/import/project?template=https://github.com/vercel/next.js/tree/canary/examples/with-tesfy)
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## How to use
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Execute [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app) with [npm](https://docs.npmjs.com/cli/init) or [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/) to bootstrap the example:
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```bash
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npx create-next-app --example with-tesfy with-tesfy-app
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# or
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yarn create next-app --example with-tesfy with-tesfy-app
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```
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Deploy it to the cloud with [Vercel](https://vercel.com/import?filter=next.js&utm_source=github&utm_medium=readme&utm_campaign=next-example) ([Documentation](https://nextjs.org/docs/deployment)).
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