# Use official Python 3.10 slim image for a smaller footprint
FROM python:3.10-slim

# Set environment variable for Hugging Face cache
ENV TRANSFORMERS_CACHE=/app/cache
ENV HF_HOME=/app/cache

# Set working directory
WORKDIR /app

# Copy requirements file
COPY requirements.txt .

# Install system dependencies and Python packages
RUN apt-get update && apt-get install -y \
    gcc \
    libgomp1 \  # Required for PyTorch
    && rm -rf /var/lib/apt/lists/* \
    && pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY app.py .

# Create cache and logs directories with write permissions
RUN mkdir -p /app/cache /app/logs \
    && chmod -R 777 /app/cache /app/logs

# Expose port for FastAPI
EXPOSE 8000

# Run Uvicorn server
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]