FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Create necessary directories
RUN mkdir -p /app/cache /app/logs

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV HF_HOME=/app/cache
ENV TRANSFORMERS_CACHE=/app/cache
ENV MAX_TEXT_LENGTH=5000
ENV GRADIO_SERVER_NAME=0.0.0.0
ENV GRADIO_SERVER_PORT=7860

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

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

# Copy application code
COPY app.py .

# Create a non-root user for security
RUN useradd -m -u 1000 user
RUN chown -R user:user /app
USER user

# Expose port
EXPOSE 7860

# Run the application
CMD ["python", "app.py"]