# Use Python 3.11 for better package compatibility
FROM python:3.11-slim

# Set environment variables for stability
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

# Install packages in a more compatible way
RUN pip install --no-cache-dir --upgrade pip setuptools wheel && \
    pip install --no-cache-dir torch torchvision --index-url https://download.pytorch.org/whl/cpu && \
    pip install --no-cache-dir -r requirements.txt

# Copy application files
COPY app.py .

# Hugging Face Spaces port
EXPOSE 7860

# Launch using Uvicorn (FastAPI)
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]