# Use official Python runtime as a parent image
FROM python:3.10-slim

# Set the working directory in the container
WORKDIR /app

# Copy the current directory contents into the container at /app
COPY . /app

# Install system dependencies (build-essential + BLAS for FAISS/Numpy)
RUN apt-get update && apt-get install -y \
    build-essential \
    libopenblas-dev \
    && rm -rf /var/lib/apt/lists/*

# Install any needed packages specified in requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Create a user to avoid running as root (HF Spaces requirement)
RUN useradd -m -u 1000 user

# CRITICAL: Change ownership of the app directory to the new user
RUN chown -R user:user /app

USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Expose port 7860 (Hugging Face Spaces default port)
EXPOSE 7860

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