# Config Externalization Over Env Fallback

> Replace env-var-or-default reads with a validated config loaded at boot that fails fast on missing values.

Record: `algo:no-env-fallback`
Kind: Architectural Rules
Canonical: https://banes-lab.com/ontology/algorithms#algo-no-env-fallback
Closure: https://banes-lab.com/json/records/algo/no-env-fallback/closure

## composes

- [Security Core](https://banes-lab.com/records/algo/security-core.md)
- [Resource Core](https://banes-lab.com/records/algo/resource-core.md)