Carl

> Having a go at this again at https://github.com/Jleagle/oapi-codegen. Looked at the chi server for how to do it but it seems lots of deepmap code requires the standard http...

Hello @blitzkrieg393! The `PamConfig` was intentionally left generic to support custom configuration of external `PamClient` implementations that use the module system `vplugin` (https://valkyrie.bet/docs/wallet/vplugin/vplugin-introduction). Environment variables should however still be resolved...

Aha, I understand your problem now. Yes, `expandEnvVariables` should definitely support resolving nested environment variables too. A PR solving your issue would be great! Please include a unit test with...

Look at https://github.com/hashicorp/vault for reference, it uses submodules in the same repository