FROM python:3.10-slim

# Install system dependencies, including git
RUN apt-get update && apt-get install -y \
    build-essential \
    libssl-dev \
    libffi-dev \
    python3-dev \
    git \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Create cache and model directories with proper permissions
RUN mkdir -p /app/cache/huggingface && chmod -R 777 /app/cache/huggingface
RUN mkdir -p /app/gpt-oss-20b && chmod -R 777 /app/gpt-oss-20b

# Set environment variables for Hugging Face cache
ENV HF_HOME=/app/cache/huggingface
ENV HUGGINGFACE_HUB_CACHE=/app/cache/huggingface/hub
ENV HF_HUB_ENABLE_HF_TRANSFER=1

# Copy requirements file
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Expose port for the API
EXPOSE 8000

# Command to run the application
CMD ["python", "app.py"]