> For the complete documentation index, see [llms.txt](https://doc.duaer.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.duaer.com/hosting/configuration/configuration-examples.md).

# Duaer configuration examples

Copy-ready self-hosted configuration examples. Start with a custom encryption key.
## Examples

- [Set a custom encryption key](/hosting/configuration/configuration-examples/encryption-key.md): pin DUAER_ENCRYPTION_KEY so credential ciphertext stays readable across rollouts.

Variable meanings: [environment variables](/hosting/configuration/environment-variables.md). Concepts: [encryption keys](/hosting/configuration/encryption-keys.md).
## Questions

### How do examples differ from the environment variables overview?

The overview explains what variables mean. Examples give copy-ready setups, such as a custom encryption key.