Tutorials

Kubernetes

• Getting Started with Kubernetes
• Kubernetes - Releasing a new version of the application using Deployment Rolling Updates
• Kubernetes - Blue/Green Deployments
• Kubernetes - Exposing Services to outside of Cluster using Ingress

Microservices

• Part 1 : MicroServices : Spring Boot & Spring Cloud Overview
• Part 2 : MicroServices : Configuration Management with Spring Cloud Config and Vault
• Part 3 : MicroServices : Spring Cloud Service Registry and Discovery
• Part 4 : MicroServices : Spring Cloud Circuit Breaker using Netflix Hystrix
• Part 5 : MicroServices : Spring Cloud Zuul Proxy as API Gateway
• Part 6 : MicroServices : Distributed Tracing with Spring Cloud Sleuth and Zipkin

Spring Boot

• Getting Started with Spring Boot
• Spring Boot Testing Tutorial
• Spring Boot Application Configuration Tutorial
• Spring Boot Logging Tutorial
• Spring Boot Profiles Tutorial
• Spring Boot JdbcTemplate Tutorial
• Spring Boot Database Transaction Management Tutorial
• Spring Boot Flyway Database Migration Tutorial
• Spring Boot REST API Best Practices - Part 1 : Implementing Get Collection API
• Spring Boot REST API Best Practices - Part 2 : Implementing Create and Update APIs
• Spring Boot REST API Best Practices - Part 3 : Implementing FindById and DeleteById APIs
• Spring Boot REST API Best Practices - Part 4 : Exception Handling in REST APIs
• Why SpringBoot is so popular and how to learn SpringBoot effectively?
• Why SpringBoot?
• How SpringBoot AutoConfiguration magic works?
• Getting Started with SpringBoot in Intellij IDEA Community Edition
• SpringBoot : Working with MyBatis
• Creating Custom SpringBoot Starter for Twitter4j
• SpringBoot Messaging with RabbitMQ
• Session Management using Spring Session with JDBC DataStore
• CI/CD for SpringBoot applications using Travis-CI
• SpringBoot Best Practices
• Testing SpringBoot Applications
• SpringBoot Integration Testing using TestContainers Starter
• Remote debugging SpringBoot application
• Retrying Method Execution using Spring AOP

Spring Security OAuth 2.0 Tutorials

• Spring Security OAuth 2 Tutorial - 1 : Getting familiar with OAuth 2 concepts
• Spring Security OAuth 2 Tutorial - 2 : Authorization Code Flow
• Spring Security OAuth 2 Tutorial - 3 : Client Credentials Flow
• Spring Security OAuth 2 Tutorial - 4 : Authorization Code Flow with PKCE
• Spring Security OAuth 2 Tutorial - 5 : Implicit & Resource Owner Password Credentials Flows
• Spring Security OAuth 2 Tutorial - 6 : Microservices Sample Project Setup
• Spring Security OAuth 2 Tutorial - 7 : Securing Spring MVC Client Application
• Spring Security OAuth 2 Tutorial - 8 : Securing Resource Server
• Spring Security OAuth 2 Tutorial - 9 : Invoking Secured Resource Server APIs from Client Application
• Spring Security OAuth 2 Tutorial - 10 : Service to Service Communication using Client Credentials Flow

Spring Cloud

• Introduction to Spring Cloud Config Server
• Auto Refresh Config Changes using Spring Cloud Bus

jOOQ

• jOOQ Tutorial - 1 : Getting Started
• jOOQ Tutorial - 2 : Implementing CRUD Operations
• jOOQ Tutorial - 3 : Fetching One-to-One Relationships
• jOOQ Tutorial - 4 : Fetching One-to-Many Relationships
• jOOQ Tutorial - 5 : Fetching Many-to-Many Relationships

MyBatis

• MyBatis Tutorial: Part1 – CRUD Operations
• MyBatis Tutorial: Part-2: CRUD operations Using Annotations
• MyBatis Tutorial: Part 3 – Mapping Relationships
• MyBatis Tutorial : Part4 – Spring Integration

Java

• When to use RequestDispatcher.forward() and response.sendRedirect()?
• Clean Code: Don’t mix different levels of abstractions

Thoughts & Opinions

• Few Things I learned in the HardWay in 15 years of my career
• My Life as a Software Developer in India
• A Developers Perspective on Spring vs JavaEE
• Can MicroServices Architecture Solve All Your Problems?
• Keep The Code Clean: WatchDog & SpotTheBug Approach
• Are frameworks making developers dumb?
• 10 things to become an outstanding Java developer