Minions in Minikube - A Kubernetes Intro for Java Developers

For Java developers unfamiliar with Kubernetes, performing this fun project using Kubernetes, Minikube, and Docker should get you started with a minion army.

How to Use Spring Cloud Gateway With OAuth 2.0 Patterns

This article will show you how to use Spring Cloud Gateway for routing as well as traditional Servlet API microservices.

Build J2EE Microservices Architecture

This post will cover the following aspects: Keycloak setup, Eureka service registration and discovery, Spring Cloud API gateway, and more!

Get HTTP POST Body in Spring Boot with @RequestBody

In this article, we'll get the body of a POST HTTP request and pack it into a String, as well as deserialize it into a POJO.annotation. Spring Boot introduced us to derived types of this annotation - @GetMapping, @PostMapping, @DeleteMapping, etc. These requests contain different types of information and data - and depending on what our endpoint does with the request, we may want to retrieve the body of a POST request either for logging or further processing. The @RequestBody annotation allows us to retrieve the request's body

Consumer-Driven Contract Testing With Spring Cloud Contract

The article demonstrates how to write a contract between the producer & the consumer and how to implements the producer & the consumer side test cases for Spring Cloud Contract through an HTTP request between two microservices.

Build APIs with Spring Boot - REST, GRPC, GRAPHQL: Which one should you pick?

In this video, we'll discuss How to Build APIS with Spring Boot - REST, GRPC, GRAPHQL: Which one should you pick?

How to Build a full CRUD application in Spring Boot - Spring JDBC Template Tutorial

In this tutorial, you will learn how to list, create, read, update, and delete records from a database in a Spring Boot application using JDBC Template. You will learn how to create a project from scratch, connect to a database, and the various methods in the JDBC Template that allow you to create a full CRUD application.

First GraphQL App with Spring Boot

In this video we will create very first GraphQL App with Spring Boot.

REST API Sample App with Spring Boot

Before we jump to GraphQL lets have REST API Sample App with Spring Boot so that we can easily compare REST API and GraphQL API basically REST API Vs GraphQL API.

How to Create single page application with Angular 10 and Spring Boot

In this video tutorial, we will create a very simple “single page application” using Angular 10 as front end and Spring boot as backend.

Beginner's Guide to GraphQL with Spring Boot

The world is a stage where all of us are artists. Constant learning is the foundation of success. So here we are going to have a tutorial on GraphQL in which we will see how to create a GraphQL server in Java. Beginner's Guide to GraphQL with Spring Boot

Doing More With Springdoc-OpenAPI

See how to render fully qualified names in the generated swagger documentation and global exception handling using controller advice.

Spring Boot — Mapping HTTP Response Status Codes to Custom Error Pages

In the video, we take a closer look at Spring Boot mapping HTTP response status codes to custom error pages.

How to Use Java Modules to Build a Spring Boot Application

Learn about how to use the newly introduced Java Platform Module System in Java 9 to create a Spring Boot application.

Azure + Spring Boot = Serverless - Q&A with Julien Dubois

Microsoft seems to prove over and over again its focus on cloud and the Java ecosystem is the new normal. Even though Java is amongst the supported languages for Azure functions for some time now, Julien Dubois experimented with Spring Boot and Azure to see what this combination means for Azure serverless computing. InfoQ reached out to him to explore further his experience on this topic.

Spring Beans in Java

Spring IoC container is the core of the Spring Framework.In spring-based applications, objects live inside a spring containerThe container instan.

Discovering Rollbar as a Spring Boot Developer

Feel like you have been doing the wrong thing with logging in your application? Rollbar provides real-time application monitoring at an attractive price.

How to Implement Oauth2 Security in Microservices

Implementing Oauth2 Security in microservices distributed systems using Oauth2, Oauth2-Client, Spring Cloud and Netflix components with full example. In this tutorial, you'll see How to Implement Oauth2 Security in Microservices

How to Obtain Auto-Generated Keys With Hibernate

Check out three different ways — with getId, SimpleJdbcInsert, and JdbcTemplate — to get auto-generated keys in Hibernate.

Spring Boot CRUD Example with RESTful APIs and JPA

In the video below, we take a closer look at Spring Boot With Spring Data JPA | Spring Boot CRUD Example with RESTful APIs and JPA .