TrendAI Backend

FastAPI backend for TrendAI news application.

Setup

Prerequisites

• Python 3.10+
• Virtual environment

Installation

1. Clone the repository:

git clone https://github.com/TrendAiLab/TrendAi-FastApi.git
cd TrendAi-FastApi

2. Create and activate virtual environment:

python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate

3. Install dependencies:

pip install -r requirements.txt

4. Configure environment variables:

cp .env.example .env
# Edit .env with your credentials

5. Run the application:

python main.py

The API will be available at http://localhost:8088

Project Structure

trendai_py/
├── app/
│   ├── api/
│   │   └── v1/
│   │       ├── endpoints/
│   │       │   ├── articles.py
│   │       │   ├── chat.py
│   │       │   ├── recommendations.py
│   │       │   └── search.py
│   │       └── router.py
│   ├── core/
│   │   └── dependencies.py
│   ├── database/
│   │   ├── milvus_client.py
│   │   └── supabase_client.py
│   ├── models/
│   │   └── schemas.py
│   ├── services/
│   │   ├── chat/
│   │   │   └── chat_service.py
│   │   ├── news/
│   │   │   ├── article_service.py
│   │   │   └── search_service.py
│   │   └── recommendations/
│   │       └── recommendation_service.py
│   └── utils/
│       └── embedding_utils.py
├── config/
│   └── settings.py
├── main.py
├── requirements.txt
├── Dockerfile
├── docker-compose.yml
├── nginx.conf
└── .env.example

Environment Variables

Required environment variables:

• MILVUS_URI: Milvus cloud instance URI
• MILVUS_TOKEN: Milvus API token
• SUPABASE_URL: Supabase project URL
• SUPABASE_ANON_KEY: Supabase anonymous key
• GROQ_API_KEY: Groq API key

Optional:

• FORCE_CPU: Force CPU usage
• GPU_MEMORY_FRACTION: GPU memory fraction (0.0-1.0)
• USE_MIXED_PRECISION: Use mixed precision for inference

API Endpoints

• GET /health - Health check
• GET /api/v1/articles - Get articles
• POST /api/v1/search - Semantic search
• GET /api/v1/recommendations/{user_id} - Personalized recommendations
• POST /api/v1/chat - Chat with AI assistant