Gerard Klijs-Nefkens

schema_registry_converter. A crate to convert bytes to something more useable and the other way around in a way Compatible with the Confluent Schema Registry. Supporting Avro, Protobuf, Json schema, and both async and blocking.

bank-axon-graphql. Version of the open bank, using Axon instead of Kafka.

bkes-demo. Demo using three bkes servers, for user, bank account and transfer aggregates, via Clojure.

ksqlDB-GraphQL-poc. A fairly simple setup to show how ksqlDB can be used with GraphQL.

bob2021. Repo used for a tutorial during BOB 2021, https://bobkonf.de/2021/klijs.html

bkes. Binary Kafka backed Event Store

kotlin-coroutines-demo. Demo project to simulate different kinds of java API calls, and how to handle them nicely with coroutines.

game-of-life. TypeScript

schema_registry_test_app. Java Application that consumes different types of messages supported by Schema Registry, and produces a similar kind to the same topic.

kafka-graphql-examples. Clojure

vados. A Rust Html generator, used with Bulma and a certain file structure to generate a static site.

open-bank-mark. A bank simulation application using mainly Clojure, which can be used to end-to-end test and show some graphs.

jug-sticker-demo. Demo project around concurrency

obm_confluent_blog. Open Bank Mark as will be used for the Confluent Blog, with ssl and multiple types in the same topic.

advent_of_code_2018. Java

snake. Building on with the snake project, but now with a server-side part

tutorials. Just Announced - "Learn Spring Security OAuth":

graphql_axon_synapse. Example how to leverage synapse for building a GraphQL endpoint with Deno.