Dockerfile

FROM python:3.9-slim

WORKDIR /app

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

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy application code
COPY . .

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

# Expose port
EXPOSE 7860

# Set environment variables
ENV PYTHONPATH=/app
ENV PORT=7860
ENV PYTHONUNBUFFERED=1
ENV TRANSFORMERS_CACHE=/tmp/transformers_cache
ENV HUGGINGFACE_HUB_CACHE=/tmp/huggingface_cache

# Run with uvicorn
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]