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50 lines
1.3 KiB
Markdown
50 lines
1.3 KiB
Markdown
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# Runtime Config
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If you wish to reference environment variables within your Nuxt 3 app, you will need to use runtime config.
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When referencing these variables within your components, you will have to use the `useRuntimeConfig` composable in your setup method (or Nuxt plugin). In the Nitro portion of your app, you can import directly from `#config`.
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[Read more about runtime config](/docs/usage/runtime-config).
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## Migration
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1. Add any environment variables you use in your app to your `publicRuntimeConfig` or `privateRuntimeConfig`.
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1. Migrate `process.env` to `useRuntimeConfig` throughout the Vue part of your app.
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## Example
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::code-group
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```ts [nuxt.config.ts]
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import { defineNuxtConfig } from 'nuxt3'
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export default defineNuxtConfig({
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publicRuntimeConfig: {
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BASE_URL: process.env.BASE_URL || 'https://nuxtjs.org'
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},
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privateRuntimeConfig: {
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// variables that can only be accessed on server-side
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},
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})
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```
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```vue [pages/index.vue]
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<script setup>
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const config = useRuntimeConfig();
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// instead of process.env.BASE_URL you will now access config.BASE_URL
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</script>
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```
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```ts [server/api/hello.ts]
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import config from '#config';
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export default (req, res) => {
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// you can now access config.BASE_URL
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return {
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baseURL: config.BASE_URL
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}
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}
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```
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::
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