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Boilerplate for building AI-powered micro SaaS apps with Next.js, LangChain JS, Supabase, auth, rate limiting, and API keys.

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# 🌻 Dandi API - Boilerplate for AI Micro SaaS Applications

**🤯 🤯 This repo was buikt with ENGLISH as the programming language with Cursor IDE and v0.🤯**

![Logo](https://github.com/emarco177/dandi/blob/main/public/demo.gif)

Dandi API is a comprehensive boilerplate repository for building AI-powered micro SaaS applications. It provides a solid foundation with essential components and functionalities needed to run an end-to-end micro SaaS application.

The service itself offers powerful insights, summaries, and analytics for open source GitHub repositories.

**🌐 Live Application: [https://www.dandi.cloud/](https://www.dandi.cloud/)**

## 🚀 Key Features

- **Complete Micro SaaS Structure**: Implements all necessary components for a fully functional AI micro SaaS application.
- **API Key Management**: Built-in system for handling API keys, UI heavily inspired by [Tavily](https://www.tavily.com/).
- **Rate Limiting**: Integrated rate limiting for API protection.
- **SSO Login**: Implemented Single Sign-On functionality.
- **AI Integration**: Leverages LangChain JS for AI capabilities.

## 🛠️ Built with Cursor IDE and v0

This entire project was developed using [Cursor IDE](https://cursor.com/), primarily through prompting with Cursor Composer and [v0](https://v0.dev/) . As a developer without frontend or full-stack experience, this project demonstrates the power of AI-assisted development.

**ENGLISH IS THE NEW PROGRAMMING LANGUAGE.**
[![udemy](https://img.shields.io/badge/Cursor%20Udemy%20Course-%20Coupon%20%2412.99-brightgreen)](https://www.udemy.com/course/cursor-ai-ide/?couponCode=APRIL-2026)

## 🧰 Tech Stack (TBH, Cursor did it all for me)

- **Frontend**: React, Next.js 13 (App Router), Tailwind CSS
- **Backend**: Node.js, Next.js API Routes
- **Database**: Supabase (PostgreSQL)
- **Authentication**: NextAuth.js
- **UI Components**: Shadcn UI, Radix UI
- **API**: RESTful API with rate limiting and API key authentication
- **AI**: LangChain JS 🦜🔗
- **Deployment**: Vercel

## 🚀 Getting Started

To run this project locally, follow these steps:

1. Clone the repository:
   ```
   git clone https://github.com/emarco177/dandi.git
   cd dandi
   ```

2. Install dependencies:
   ```
   yarn install
   ```

3. Set up environment variables:
   Create a `.env.local` file in the root directory and add the necessary environment variables (refer to the Environment Variables section below).

4. Run the development server:
   ```
   yarn dev
   ```

5. Open [http://localhost:3000](http://localhost:3000) in your browser to see the application.

## 🔐 Environment Variables

Create a `.env.local` file in the root directory with the following variables:

```
DB_URL=
DB_NAME=
DB_USER=
DB_PASSWORD=
GOOGLE_CLIENT_ID=
GOOGLE_CLIENT_SECRET=
NEXTAUTH_SECRET=
NEXTAUTH_URL=
NEXT_PUBLIC_SUPABASE_URL=
NEXT_PUBLIC_SUPABASE_ANON_KEY=
```

Note: Keep your `.env.local` file secure and never commit it to version control.

## 🏗️ Build and Production

To build the project for production:

```
yarn build
```

To run the production build locally:

```
yarn start
```

## 📚 See How to Build This Project with Cursor and v0

For a detailed video tutorial on how to build this micro SaaS application from scratch with cursor and v0, check out my Udemy course:

[Cursor AI: Full Stack development with AI powered CoPilot](https://www.udemy.com/course/cursor-ai-ide/?couponCode=APRIL-2026)

🚀 From Backend to Full-Stack with Cursor IDE and v0 Magic!

In this course, I will show you how to build this entire app rapidly using AI:
- 🖥️ Most of Cursor IDE & v0 by Vercel
- 🧠 AI-Driven Development Workflows
- 🛠️ Building a Complete AI Micro SaaS (LangChain JS)
- 💡 Prompting Techniques for Coding and working with AI 
- 💡 Cursor Copilot best practices (at least for me)

## 🤝 Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

## 📄 License

This project is licensed under the Apache-2.0 license.

## 🔗 Links
[![portfolio](https://img.shields.io/badge/my_portfolio-000?style=for-the-badge&logo=ko-fi&logoColor=white)](https://www.udemy.com/course/langchain/?referralCode=D981B8213164A3EA91AC)
[![linkedin](https://img.shields.io/badge/linkedin-0A66C2?style=for-the-badge&logo=linkedin&logoColor=white)](https://www.linkedin.com/in/eden-marco/)
[![twitter](https://img.shields.io/badge/twitter-1DA1F2?style=for-the-badge&logo=twitter&logoColor=white)](https://www.udemy.com/user/eden-marco/)

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