Dockerfile

FROM python:3.11-slim

WORKDIR /app

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

# Upgrade pip
RUN pip install --upgrade pip

# Copy requirements
COPY requirements.txt .

# Install PyTorch CPU version first (faster)
RUN pip install --no-cache-dir torch==2.9.0 --index-url https://download.pytorch.org/whl/cpu

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

# Install scispaCy model
RUN pip install --no-cache-dir https://s3-us-west-2.amazonaws.com/ai2-s2-scispacy/releases/v0.5.4/en_core_sci_sm-0.5.4.tar.gz

# Copy application files
COPY app.py .
COPY model_handler.py .

# Expose port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
  CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:7860/health')"

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