Chat API

A Spring Boot application that provides a REST API for handling chat-based interactions, including Retrieval-Augmented Generation (RAG) capabilities.

Features

• RESTful API with Spring Boot
• JSON-based communication
• Retrieval-Augmented Generation (RAG) support
• Easily extendable architecture
• Supports Spring Boot 3+, Java 17+
• Maven/Gradle build system

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Prerequisites

Ensure you have the following installed:

• Java 21+ (Download)
• Maven 3+ (Download)
• Postman (Optional, for API testing)

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🛠️ Setup & Installation

Clone the repository:

git clone https://github.com/w0rm29/chatbot-app.git
cd chatbot-app

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Run

./mvnw spring-boot:run

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API Endpoints

POST /chat/ask
Content-Type: application/json
Request-Body
{
  "message": "Hello, chatbot!"
}

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Project Structure

Explanation of Key Directories and Files:

• controller/ → Handles REST API requests.
• service/ → Contains business logic.
• model/ → Defines request/response data models.
• resources/ → Stores application configuration.
  • application.yml → Preferred configuration file using YAML format.
  • application.properties → Alternative properties-based configuration.
• test/ → Contains unit and integration tests.
• pom.xml / build.gradle → Manages dependencies.
• README.md → Documentation.

This structure follows best practices for a Spring Boot application, making it modular and easy to maintain.

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🛠️ Made with ❤️

Made with ❤️ using:

• Spring Boot – Backend framework
• LangChain – AI/LLM Orchestration
• Ollama – Local LLM Inference
• RAG (Retrieval-Augmented Generation) – Context-aware chat intelligence