authorization

OAuth 2.0 is an industry-standard authorization framework that enables third-party applications to obtain limited access to user accounts on web services without exposing user credentials.

OAuth2 with JWT authentication is a secure authorization framework that uses JSON Web Tokens for stateless, cryptographically signed authentication between applications and services.

Open Policy Agent (OPA) is an open-source policy engine that enables unified, context-aware policy enforcement across the entire software stack. It allows developers to offload policy decisions from their services by writing policies in Rego.