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chore(docs): explain NODE_ENV environment variable #52003

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merged 3 commits into from
Jun 29, 2023

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@styfle styfle commented Jun 29, 2023

This PR documents the NODE_ENV environment variable behavior.

This feature was originally added in 152c2c2 which was released in next@5.

See the current source code here:

const defaultEnv = command === 'dev' ? 'development' : 'production'

@@ -168,3 +168,4 @@ For example, if `NODE_ENV` is `development` and you define a variable in both `.
## Good to know

- If you are using a [`/src` directory](/docs/app/building-your-application/configuring/src-directory), `.env.*` files should remain in the root of your project.
- The environment variable `NODE_ENV` is automatically assigned to `development` when running `next dev`. All other commands automatically assign `NODE_ENV` to `production`.
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We don't override test if set x-ref:

const standardEnv = ['production', 'development', 'test']

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Looks like we don't override at all. We just have defaults.

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@ijjk Updated in ce2933f

@styfle styfle requested a review from ijjk June 29, 2023 20:55
@ijjk ijjk merged commit efdc026 into canary Jun 29, 2023
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@ijjk ijjk deleted the docs-good-to-know-node-env branch June 29, 2023 21:12
@github-actions github-actions bot locked as resolved and limited conversation to collaborators Jul 30, 2023
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