Steve Riesenberg

> [@sjohnr](https://github.com/sjohnr) We have `@@ConditionalOnNotWebApplication` but it looks like [`FreeMarkerNonWebConfiguration`](https://github.com/spring-projects/spring-boot/blob/main/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/freemarker/FreeMarkerNonWebConfiguration.java) is the only configuration that uses it. Interesting, thanks! (Thinking out loud) So I suppose a `spring-boot-starter-oauth2-client` + `spring-boot-starter-json` setup...

Actually, that might make sense. Typically, the json support that comes with web or webflux is enough, but since OAuth2 Client is built around making OAuth 2.0 Access Token Requests...

Hi @aranoverse, thanks for your explanation! > Although I can work around this problem using `attributes`, from a design perspective, I don't think `T extends OAuth2AuthorizationRequest` which is a not...

Related gh-564, gh-297

Thanks for the upvote @lojc. One thing I'm wondering for the benefit of this guide would be: What are the main challenges you have faced when implementing a BFF? Can...

I don't think so, @HungUnicorn. That would be a separate guide, but not one that we would likely demonstrate as it is less secure than a BFF.

@loren-coding thanks for the suggestion. However, I feel like I might be missing some context. I don't think I see how multiple frontend applications are relevant to this guide. Also,...

@loren-coding it sounds like you are building something like (but perhaps not exactly) a multi-tenant gateway. Or at least a gateway with multiple frontend clients. I imagine this use case...

Hi @CrazyParanoid, thanks for the suggestion. > There are cases where support for multiple `OpaqueTokenIntrospectors` in an `OpaqueTokenAuthenticationProvider` is needed. This is easier than adding another provider to `ProviderManager`, because...

Thanks @CrazyParanoid. > At the same time, there are many cases where the result of introspection is the same, especially if the identity provider does not strongly contradict the specification....