# Use Python 3.9
FROM python:3.9

# Set working directory
WORKDIR /app

# Copy requirements
COPY requirements.txt .

# 1. Install specific NumPy version FIRST to prevent conflicts
RUN pip install "numpy<2.0.0"

# 2. Install Torch 2.1.2 (Stable CPU version)
RUN pip install torch==2.1.2 --index-url https://download.pytorch.org/whl/cpu

# 3. Install PyTorch Geometric Dependencies (Matching Torch 2.1.2)
RUN pip install torch-scatter torch-sparse torch-cluster torch-spline-conv -f https://data.pyg.org/whl/torch-2.1.2+cpu.html

# 4. Install PyTorch Geometric
RUN pip install torch-geometric

# 5. Install the rest (FastAPI, scikit-learn, etc.)
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the app
COPY . .

# Fix permissions
RUN mkdir -p /app/.cache && chmod -R 777 /app/.cache

# Expose port
EXPOSE 7860

# Run
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]