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autorestic/docs/markdown/backend/env.md

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# Environment
> ⚠ Available since version `v1.3.0`
Sometimes it's favorable not having the encryption keys in the config files.
For that `autorestic` allows passing the backend keys as `ENV` variables, or through an env file.
The syntax for the `ENV` variables is as follows: `AUTORESTIC_[BACKEND NAME]_KEY`.
```yaml | autorestic.yaml
backend:
foo:
type: ...
path: ...
key: secret123 # => AUTORESTIC_FOO_KEY=secret123
```
## Example
This means we could remove `key: secret123` from `.autorestic.yaml` and execute as follows:
```bash
AUTORESTIC_FOO_KEY=secret123 autorestic backup ...
```
## Env file
Alternatively `autorestic` can load an env file, located next to `autorestic.yml` called `.autorestic.env`.
```| .autorestic.env
AUTORESTIC_FOO_KEY=secret123
```
after that you can simply use `autorestic` as your are used to.
> :ToCPrevNext