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docs(api): add note about env usage #6209

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Jun 10, 2022
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docs(api): add note about env usage #6209

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2 changes: 2 additions & 0 deletions src/content/api/cli.mdx
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Expand Up @@ -574,6 +574,8 @@ The `--env` argument accepts multiple values:
| `npx webpack --env foo=bar=app` | `{ foo: "bar=app"}` |
| `npx webpack --env app.platform="staging" --env app.name="test"` | `{ app: { platform: "staging", name: "test" }` |

T> If you want to explicitly set a variable to empty string (`""`), you may need to escape characters on terminal like `npx webpack --env foo=\"\"`

T> See the [environment variables](/guides/environment-variables/) guide for more information on its usage.

In addition to the customized `env` showed above, there are some built-in ones under `env` to be used inside your webpack configuration:
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