Reactive OAuth2 proxy using Spring WebFlux, R2DBC, DPoP, opaque token introspection, async request processing, and full OTLP observability.
oauth2 reactive keycloak postgresql introspection flyway wiremock testcontainers spring-webflux bucket4j r2dbc opentelemetry dpop otlp spring-boot-4 java25 junit6 async-request-processing
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Updated
May 9, 2026 - Java