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47 lines
1.4 KiB
Markdown
47 lines
1.4 KiB
Markdown
[](https://deploy.now.sh/?repo=https://github.com/zeit/next.js/tree/master/examples/with-universal-configuration-runtime)
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# With universal runtime configuration
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## How to use
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### Using `create-next-app`
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Execute [`create-next-app`](https://github.com/segmentio/create-next-app) with [Yarn](https://yarnpkg.com/lang/en/docs/cli/create/) or [npx](https://github.com/zkat/npx#readme) to bootstrap the example:
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```bash
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npx create-next-app --example with-universal-configuration-runtime with-universal-configuration-runtime-app
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# or
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yarn create next-app --example with-universal-configuration-runtime with-universal-configuration-runtime-app
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```
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### Download manually
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Download the example:
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```bash
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curl https://codeload.github.com/zeit/next.js/tar.gz/canary | tar -xz --strip=2 next.js-canary/examples/with-universal-configuration-runtime
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cd with-universal-configuration-runtime
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```
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Install it and run:
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```bash
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npm install
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API_URL='https://example.com' npm run dev
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# or
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yarn
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API_URL='https://example.com' yarn dev
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```
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Deploy it to the cloud with [now](https://zeit.co/now) ([download](https://zeit.co/download))
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```bash
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now
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```
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## The idea behind the example
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This example show how to set custom environment variables for your application at runtime using the `publicRuntimeConfig` key in `next.config.js`
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For documentation see: https://github.com/zeit/next.js#exposing-configuration-to-the-server--client-side
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