# CI & Production

[← Back to Quickstart](https://dotenvx.com/docs/quickstart.md#encrypt)

Use -f to choose the file to encrypt.

## CI

```dotenv
# .env.ci
HELLO="CI"
```

```console
$ dotenvx encrypt -f .env.ci
```

[GitHub Actions guide →](https://dotenvx.com/docs/github-actions.md)

## Production

```dotenv
# .env.production
HELLO="Production"
```

```console
$ dotenvx encrypt -f .env.production
```

Use the same file when running your command:

```console
$ dotenvx run -f .env.production -- printenv HELLO
```