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👨‍💻  My name is Rafal and this is the place where I open source stuff and break things🤣

💼  Software Engineer, Spring Professional, Certified Apache Kafka Developer

👀  Available for Freelance projects opportunities.

📫  You can reach me via Linkedin


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Rafal Biedrawa's Projects

cdc-postgres icon cdc-postgres

Change Data Capture with Debezium & PostgreSQL. This repository contains the demo Docker Compose file for setting up and running the whole CDC infrastructure (Kafka Connect, Debezium, PostgreSQL etc.)

centralized-logging-k8s-efk-poc icon centralized-logging-k8s-efk-poc

This repository contains EFK (Elasticsearch, Fluentd, and Kibana) centralized logging setup for applications running inside kubernetes cluster. Setup contains custom Fleuntd matcher and filters directives, that can be activated using kubernetes label logtype: "json" (for matching json formatted logs).

csr-ssr-ssg-nextjs-demo icon csr-ssr-ssg-nextjs-demo

Client Side Rendering vs Server Side Rendering vs Static Site Generation. This repository contains Next.js applications that compares three different rendering options for React apps.

k8s-ingress-demo icon k8s-ingress-demo

This repository contains example how to configure NGINX Ingress Controller in Docker for Mac and proxy traffic to backend service.

kafka-connect-workshop icon kafka-connect-workshop

This repository contains the starter code for the `How to play around with Your Apache Kafka Connect cluster?` workshop. This project shows how to install a Kafka Connect plugins and deploy connectors automatically using Docker runtime installation.

kafka-ksqldb-workshop icon kafka-ksqldb-workshop

Starter code for the ksqlDB workshop. This workshop explains how to integrate ksqlDB with an external data source (Elasticsearch) to build Driver Location Tracking & Monitoring app and use streaming SQL engine for Apache Kafka.

kafka-monitoring icon kafka-monitoring

The goal of this project is to demonstrate different approaches how to monitor Apache Kafka ecosystem.

react-k8s-env-demo icon react-k8s-env-demo

This repository demonstrates how to inject env variables into react application running inside kubernetes or docker-compose.

spring-circuitbreaker-demo icon spring-circuitbreaker-demo

This repository demonstrates how to build fault-tolerant application and apply resiliency patterns using Resilience4j.

spring-docker-gradle-setup icon spring-docker-gradle-setup

This repository contains sample setup for building optimised docker image and shows some useful plugins and techniques.

spring-graceful-shutdown-poc icon spring-graceful-shutdown-poc

This repository demonstrates how to configure graceful shutdown of Network and default TaskExecutor threads in Spring Boot application.

spring-graphql-federation-microservices-demo icon spring-graphql-federation-microservices-demo

Spring Boot GraphQL microservices demo that shows how to use DGS framework together with Apollo Federation Server.All applications can be run locally, inside docker or kubernetes cluster.

spring-k8s-prometheus icon spring-k8s-prometheus

This repository contains sample Spring Boot application that exposes metrics to Prometheus and Grafana. The goal of this project was to showcase how to collect and monitor application's metrics running inside kubernetes (Prometheus Operator) or docker compose.

spring-kafka-handling-poison-pills icon spring-kafka-handling-poison-pills

This sample project demonstrates how to protect Apache Kafka applications against poison pills (Deserialization exceptions). Kafka Consumer and KStream configuration included.

spring-kafka-non-blocking-retries icon spring-kafka-non-blocking-retries

This repository demonstrates how to handle Kafka Consumer exceptions in a non-blocking manner using retry topics and DLQ (Dead Letter Queue).

spring-kafka-streams-protobuf-testcontainers-demo icon spring-kafka-streams-protobuf-testcontainers-demo

Account Service - Spring, Kafka Streams sample application that allows users to sign up and retrieve account details and statistics. This PoC demonstrates how to run multiple Kafka Streams instances (with different consumer groups) inside single Spring Boot application.

spring-native-kafka-demo icon spring-native-kafka-demo

This repository demonstrates how to transform a Spring-Boot Kafka application to native executable using GraalVM.

spring-quartz-flyway-poc icon spring-quartz-flyway-poc

This repository demonstrates how to schedule jobs in Spring Boot application with Quartz Clustered mode.

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