42 lines
893 B
Markdown
42 lines
893 B
Markdown
# Environment Variables
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Store API keys and secrets outside your app code.
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## Using env vars
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Access them via `process.env`:
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```tsx
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const apiKey = process.env.OPENAI_API_KEY
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if (!apiKey) throw new Error('Missing OPENAI_API_KEY')
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```
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Env vars are injected when your app starts. Changing them restarts the app automatically.
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## Managing env vars
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### CLI
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```bash
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toes env my-app # list env vars
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toes env my-app set KEY value # set a var
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toes env my-app set KEY=value # also works
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toes env my-app rm KEY # remove a var
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```
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### Dashboard
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The `.env` tool in the tab bar lets you view and edit vars for the selected app. Values are masked until you click Reveal.
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## Format
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Standard `.env` syntax:
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```
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OPENAI_API_KEY=sk-...
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DATABASE_URL=postgres://localhost/mydb
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DEBUG=true
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```
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Keys are uppercased automatically. Quotes around values are stripped.
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