Socket.IO is a library that makes us possible to implement a 2-way communication channel between client and server with low latency based on events. We can use Socket.IO to implement a WebSocket server. Originally Socket.IO was written in JavaScript but some other languages are also… Read More
In the previous post, I showed you how to publish a message to Google Pub/Sub topic using Spring Cloud GCP PubSub? In this tutorial, let’s learn together how to subscribe to it to receive messages with Spring Cloud GCP PubSub! I also created a Spring… Read More
In the previous post, I showed you how to configure Spring Security using the WebSecurityConfigurerAdapter class. From Spring Security version 6.x onwards, Spring removed this class and recommends configuring Spring Security with a bean of SecurityFilterChain and Spring Security Lambda DSL. How is it in… Read More
In the previous post, I showed you how to publish messages to Google Pub/Sub topic using the Pub/Sub client library. Using the Spring Cloud GCP PubSub library will help us do this much simpler. How is it in detail? In this tutorial, I will show… Read More
To work with Apache Kafka, you need to understand some basic concepts about: Producer Consumer Broker Cluster Topic Topic Partitions Partition Offset Consumer Group Producer Producers are applications that produce data and send data to Apache Kafka Server. This data will be formatted messages, sent… Read More
Google Pub/Sub is one of the cloud messaging services that we can use if your application has features that require using messaging technology. In this article, I will show you how to publish a message to Google Pub/Sub topic using the Pub/Sub Java client library!… Read More
To create a new topic in Google Pub/Sub, go to https://console.cloud.google.com/cloudpubsub/, then click the Create Topic button to create a new topic! The following window will be displayed: Topic ID is the name of the topic you want to create. Here, we also have 4… Read More
In the tutorial Overview about Spring Data JPA, I introduced you to Spring Data JPA and how to configure it using XML files. There is another way to configure Spring Data JPA which is to use the annotations it supports such as the @EnableJpaRepositories annotation.… Read More
After defining API specs with RAML, we can use Spring MVC-RAML Maven plugin to generate API contract. With API specs using OpenAPI Specification, you can use OpenAPI Generator Maven plugin to do this. How is it in detail? We will find out together in this… Read More
I showed you how to define RESTful Web Service API specs using RAML. Another way to do this is to use the OpenAPI Specification. How is it in detail? In this tutorial, we will learn together how to define RESTful Web Service API specs using… Read More
