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PostgresDB JSONB Data type

Framework for JSON to Java Object

Reactive or Asynchronous Programming in Java

Story Reactive programming is pretty hottest talk for a while in programming worlds, both front end and back end. Java has the ability since 8th release. However, I haven’t fully...

Google Cloud - Key Management Service

Question We have a micro service called “Key Vault”, which stores keys and secrets sensitive data. The data is encrypted by AES-256 keys, and we need a way to secure...

Stackdriver Kubernetes Monitoring

Scenario Context - 1 We want to monitor not only the platform our services are running on, but also our services themselves. Plus setting up alerts when certain errors or...

Azure Edge Service

Tutorial to Follow Azure Edge Quickstart

Kubernetes API-GW service

KONG with TLS + Auth

GCP K8s Clusters Kind - Secret

Scenario To save some 3rd parties’ sensitive information such as credentials, in Kubernetes managed secret service.

Multiple GCP K8s Clusters under a different GCP project

Scenarios is described as this: We have one GCP root account, which creating 2 projects, one is as a lab, the other one is as production. The lab one has...

GCP K8s Service Catalog

The tutorial to learn - GCP Connecting Cloud Pub/Sub with Service Catalog Install K8s Service Catalog and Service Broker Using K8s Service Catalog Which comes out with key concepts to...

Application - memory Cache services

Question There is always requirement to cache some data in the application local memory, so that the data can be retrieved ASAP. There are many frameworks or libraries in Java...