mirror of
https://github.com/vercel/next.js.git
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Brooke
34 lines
664 B
Plaintext
34 lines
664 B
Plaintext
---
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title: '`deploymentId` must be a string'
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---
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## Why This Error Occurred
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The `deploymentId` option in your `next.config.js` must be a string value.
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## Possible Ways to Fix It
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Ensure your `deploymentId` is a string:
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```js
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// ✅ Correct
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module.exports = {
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deploymentId: 'my-deployment-123',
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}
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// ✅ Using environment variables
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module.exports = {
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deploymentId: process.env.GIT_HASH || 'default-id',
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}
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// ❌ Incorrect
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module.exports = {
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deploymentId: 12345, // Must be a string, not a number
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}
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```
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The `deploymentId` can be:
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- A string: `deploymentId: 'my-deployment-123'`
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- `undefined` (will use `NEXT_DEPLOYMENT_ID` environment variable if set)
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