Ollama Chat Bot

A modern, full-stack chat application powered by Next.js (frontend) and Node.js/Express (backend) with PostgreSQL for persistent chat storage. Features a clean UI, dynamic feedback, chat management, and export/share functionality.

Features

• Dynamic chat UI with thinking/loader indicators
• Sidebar with collapsible chat list, add/rename/delete chats
• User and bot message formatting with markdown/code highlighting
• Retry/copy actions for user messages
• Export/share conversation as JSON
• Pointer cursor on all CTAs
• Clean, production-ready codebase

Tech Stack

• Frontend: Next.js, React, Tailwind CSS, react-icons, react-markdown, prismjs
• Backend: Node.js, Express, PostgreSQL

Getting Started

Prerequisites

• Node.js (v18+ recommended)
• PostgreSQL

Backend Setup

1. Navigate to the backend folder:

   cd backend

2. Install dependencies:

   npm install

3. Configure your database in config/db.js and config/default.js.
4. Run migrations:

   node run-migrate.js

5. Start the backend server:

   npm start

Frontend Setup

1. Navigate to the frontend folder:

   cd ../frontend

2. Install dependencies:

   npm install

3. Start the frontend app:

   npm run dev

4. Open http://localhost:3000 in your browser.

Project Structure

• frontend/ — Next.js app (UI, chat logic)
• backend/ — Express API (chat/message endpoints, DB)

Customization

• Update user profile info in page.tsx (sidebar bottom section)
• Adjust chat model/version label in the top bar

License

MIT

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Built by Ankit Chauhan. For questions or contributions, open an issue or PR.