FROM python:3.11-slim

WORKDIR /app

# Install system packages needed for some Python wheels
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    git \
    && rm -rf /var/lib/apt/lists/*

# Install CPU-only PyTorch first (much smaller than the CUDA version)
RUN pip install --no-cache-dir torch --index-url https://download.pytorch.org/whl/cpu

# Copy and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the project files
COPY . .

# HuggingFace Spaces expects the app on port 7860
EXPOSE 7860
ENV GRADIO_SERVER_NAME=0.0.0.0
ENV GRADIO_SERVER_PORT=7860

CMD ["python", "app.py"]