Examples for how to deploy a simple Springboot application into AWS EC2 with CodePipeline, CodeBuild, and CodeDeploy. All infrastructure are embeded into a CloudFormation stack to make the clearup …

CRUD REST example with DynamoDB and LocalStack

Study Notes for AWS Cert Exam

An example to integrate KStream and Spring integration for publishing message to MQTT topic dynamically. Including the multiple nodes Kafka deployment with skaffold and Helm charts.

Message publishing with Kafka Connect, MQTT(HiveMQ) and Nextjs

This post is about how to run the Istio “Install Multi-Primary on different networks” example on an old, low-end PC. The instruction started from creating the Ubuntu VM for cluster nodes till verif…

Spring Boot 3 + Skaffold + HTTP2 + Grafana,Prometheus,PushGateway + Microk8s + dev VM

React Native (Expo.dev) AuthSession and Auth0 PKCMS POC