Spring Boot S3 Presigned Url Upload/Download File What is presigned url and why should we use? Presigned URLs let us upload and download files without going through our service directly. This helps save resources and reduces the load on our systems. …
Tomcat10 Spring Boot 3 & Java 17 deployment on Ubuntu Server Hello! Today we will deploy our spring boot application on a remote server. While trying to deploy my java17 spring boot app I faced some issues and there was no resource. That’s the motivation for this article :) Thanks to Erkan Yenier for their support. …
What is the GraphQL? GraphQL is a query language for APIs and is similar to REST. GraphQL is developed by Facebook and is open source. GraphQL uses a single endpoint for receiving requests. You have to write your controller name to your query. And also you can select specific fields for your response. Your response will be in JSON format. …
Imagine that, you want to make a chat application for communicating with your friend. You will send and receive messages. But there is a problem. When you send a new message to your friend how will you inform him? …
What is the WebSocket? WebSocket is a bi-directional communication protocol. Communication provides over a single TCP connection. Thanks to the WebSocket protocol server and client can communicate in real-time. …