Spring Boot Chat Application with DeepSeek and Ollama

by devs5003 - February 13, 2025March 31, 20250

This tutorial provides a comprehensive guide to implement an intelligent chat application using Spring Boot, integrated with both DeepSeek and Ollama's local LLM capabilities. As these are locally installed tools, there are no chances of latency from internet roundtrips. We can process requests directly on our local server. Using it, we can train the AI our unique terminology such as company jargons, industry-specific knowledge, local dialects. Additionally, we can modify the model directly without relying on cloud provider updates. At the later stage, we can transition to cloud easily as the same Spring Boot code works both ways. This approach gives ultimate control while teaching foundational AI/software integration concepts used in enterprise systems. Let's go through a step-by-step article on Spring

DeepSeek Spring AI Integration Using Java Spring Boot

by devs5003 - February 6, 2025April 26, 20250

DeepSeek is a smart AI tool that helps computers understand and respond to human language. It behaves like a digital assistant that can answer questions, write text, or even generate code! Whether you want to build a chatbot, automate customer support, or create an app that "talks" to users, DeepSeek provides the brains to make it happen. It acts like a super-smart friend who is always ready to help with words, ideas, or solutions. Integrating DeepSeek (or any custom AI model) with a Spring AI project involves several steps. In this article we will go through a step-by-step tutorial on 'DeepSeek Spring AI Integration Using Java Spring Boot'. We will explore how to connect DeepSeek locally with a Spring AI project and test the

How to implement JWT Authentication in Spring Boot Project?

by shwetas8536 - March 15, 2024April 17, 202511

No one can deny from the fact that Security is a vital feature of a production ready application. Although we can secure one web application using In-memory authentication, JDBC Authentication or via UserDetailsService. But when one application uses the services of other application internally, then implementation of security with webservices concept becomes important. In this situation we secure our application using a token which has a particular period of validity. In this article, we are going to learn 'How to implement JWT Authentication in Spring Boot Project?' to understand the concept behind JWT(JSON Web Token) Authentication as a whole. As JWT stands for 'JSON Web Token', it is clear that the token holds the data in the form of JSON only. Moreover,

Spring Boot 3 Migration- Migrate Spring Boot 2 To Spring Boot 3

by devs5003 - January 20, 2024September 28, 20243

After going through the major highlights of 'New Features in Spring Boot 3.0, it's time to check the process of Spring Boot 3 Migration ('How To Migrate Spring Boot 2 To Spring Boot 3'). Here in this article we will be talking about the step by step migration process to Spring Boot 3. Before getting into to the spring boot 3 migration process, you should go through any documentation to understand the important artifacts in the same. It always helps in minimizing any potential risk factor in the process. Let's start discussing 'How To Migrate Spring Boot 2 To Spring Boot 3'. Spring Boot 3 Migration: How To Migrate Spring Boot 2 To Spring Boot 3? Let's go through step by step

Spring Security UserDetailsService Using Spring Boot 3

by devs5003 - January 13, 2024April 17, 20253

In continuation to series of articles on Spring Security, here in this article we will learn 'How to implement Security in Spring Boot using UserDetailsService With Spring Boot 3?'. After going through the previous articles, I hope we all are very familiar with basics of Security and even the basics of Security in a Spring Boot application. After the release of Spring Boot 3, here we are going to implement 'Spring Security UserDetailsService Using Spring Boot 3'. In this article, we will create a user registration form and save users with their roles in the database. Then, based on the user role, we will check the authentication and authorization functionalities with the help of predefined UserDetailsService. To illustrate, we will take some

New Features in Spring Boot 3 and Spring 6

by devs5003 - December 16, 2023January 31, 20240

Spring Boot 3.0 is officially released in November, 2022 with some new features and improvements. This is the first major release of Spring Boot after the release of Spring Boot 2.0 around 4.5 years ago. It is also the first Spring Boot GA release to support Spring Framework 6.0. As a developer, we need to be aware of these updates in order to work smoothly with Spring Boot. Undoubtedly, one of the biggest turn in the new release was the dropping of support for older versions of Java. In this article, we will discuss about 'New Features in Spring Boot 3 and Spring 6'. What are the major highlights of the Spring 3.0 Release? The highlights of the Spring 3.0 Release incorporate:

How to implement Security in Spring Boot Project?

by devs5003 - February 19, 2023March 15, 20245

Now a days, almost every client demands for implementation of powerful security feature in real time application. Demand of security feature is very valid to maintain confidentiality, integrity and availability. There are many types of security in the real world, but we as a developer will focus on the Application/Software Security. Furthermore, in Application Security, our job is to ensure basically two things. First, only valid user can access the application. Second, If the user is valid, he/she can access only permitted data/information in that application. I consider, there is nothing to explain more about them as you must already be aware of these two terminologies i.e. Authentication & Authorization. You might already have guessed what we will discuss in our

New Features In Spring Framework 6

by devs5003 - December 31, 2022October 11, 20230

Spring Framework 6, released on November 2022, is the major version change and containing many upgraded features and changes into the Spring development environment. On the other hand, Spring Boot 3 also released on November 2022, is based on Spring Framework 6, also changes a lot of things. We need to know about the changes in new versions in order to make smooth development of an application in the future. In this article, we will discuss about ‘New Features in Spring Framework 6’. Spring Boot 3.0 is also the first Spring Boot GA release, which is based on the Spring Framework 6.0. As a developer, we need to be aware of these updates in order to work smoothly with Spring Framework.