🍳 Recipe Book AI

AI-powered recipe generation with NestJS, Azure AI Foundry, PostgreSQL, TypeORM, i18n, Docker & JWT Authentication

🚀 A multilingual, AI-driven recipe backend built with Clean Architecture principles

🔧 Technologies Nest.js, Docker, CI pipeline, JWT authentication, LLM integration

📊 Status

📖 Overview

Recipe Book AI is a backend service that generates intelligent recipes from Brazilian and American cuisine using Azure AI Foundry. It supports:

🌍 Internationalization (i18n)

🔐 JWT Authentication

👤 User CRUD

🍽️ Recipe CRUD

🤖 AI Recipe Generation

🐳 Docker Deployment

📘 Swagger Documentation

Built with Clean Architecture principles for scalability, maintainability, and long-term reliability.

✨ Features 🔥 Core Highlights

🤖 AI-generated recipes (Azure AI LLM)

🌍 Multilingual support via Accept-Language

🔐 Secure JWT authentication

🗄️ PostgreSQL + TypeORM storage

🧱 Clean Architecture folder separation

🐳 Full Docker orchestration

📝 Swagger API documentation

🧠 AI Recipe Engine

Returns recipes in the structure:

{ "name": "Brazilian Feijoada", "ingredients": "...", "instructions": "..." }

📂 Project Structure

src
├── domain
│   ├── entities
│   ├── interfaces
│   └── auth
├── application
│   ├── use-cases
│   ├── dtos
│   └── services
├── infrastructure
│   ├── database
│   ├── repositories
│   ├── mappers        # ORM <-> Domain conversion
│   ├── auth
│   ├── ai
│   ├── i18n
│   └── typeorm
└── presentation
    ├── controllers
    ├── filters
    ├── guards
    ├── interceptors
    └── swagger

🛠️ Installation (Local)

1. Clone the project git clone https://github.com/YuriMascarenhasLourenco/receipe-app cd receipe-app

2. Install dependencies npm install

3. Create .env

DB_HOST DB_NAME DB_PASSWORD DB_PORT DB_USERNAME GH_AI_ENDPOINT GH_AI_MODEL JWT_SECRET LANGUAGE PORT

LANGUAGE=pt

JWT_SECRET=your_jwt_secret JWT_EXPIRES_IN=1d

4. Start PostgreSQL docker run --name postgres-recipe
   -e POSTGRES_PASSWORD=postgres
   -p 5432:5432
   -d postgres

5. Start the server npm run start:dev

🐳 Running with Docker Start all services docker compose up --build -d

URLs

📌 API Base: http://localhost:3000 📌 Swagger Docs: http://localhost:3000/api

🔐 Authentication Flow Register POST /auth/register { "name": "Yuri", "email": "yuri@example.com", "password": "123456" }

Login POST /auth/login { "email": "yuri@example.com", "password": "123456" }

Response:

{ "access_token": "jwt_here" }

Use token in requests Authorization: Bearer your_token Accept-Language: en

👨‍🍳 AI Recipe Generation Generate

POST /recipes/generate

{ "name": "Feijoada" }

🌍 Internationalization (i18n)

Set via header:

🇧🇷 Portuguese

Accept-Language: pt

🇺🇸 English

Accept-Language: en

DTO validation, exceptions, and messages automatically adapt.

📘 Swagger Documentation

📌 Access at:

http://localhost:3000/docs

Includes:

Auth button

DTO schemas

Route grouping

Language selector

🧰 Scripts npm run start npm run start:dev npm run test npm run build

🧠 Technologies Used

node.js, Nest.js, Typescript, JWT,

📄 License

This project is licensed under the MIT License.

⭐ Support the Project

If you enjoy this project, please consider leaving a ⭐ star on GitHub. It helps a lot and motivates continued development!