MQTT, HTTP, or WebSockets for IoT Communication

Manage multiple GitHub accounts and AWS CodeCommit: Short post

Connect your blogspot to your custom domain: Short post

Integrate AWS SDK, SES with AWS Amplify: Short post

AWS Secrets Manager, RDS and Spring Boot example using Docker

AWS networking

AWS Cognito + Spring Complete Example

Use Enterprise Java for Microservices : MicroProfile

JDK 13 is here

Understanding Immutable Objects in Java