João Esperancinha

kotlin programming programming spring programming kotlin java kong kotlin language coding spring kotlin networking from http/https to grpc/grpcs data protocol translation json requests json grpc gateway grpc web grpc kong konnect postgresql nullability command configuration bash k9s k8s kubernetes kong-meshes meshes kuma java records use-site target use-site targets kotlin gen java generics generics programming language architecture computer science polymorphism inheritence codes kotlin out kotlin in bivariance invariance contravariance covariance coroutines channels flows kotin groovy clojure lisp fortran scala cobol blockhound tests spring java spring reactive reactive spring jwt jwt token apikey oauth2 information technology security api api gateways konnect