Dockerfile

# Hugging Face Spaces Dockerfile
# Based on the official HF Spaces documentation

FROM python:3.10-slim

WORKDIR /app

# Install system dependencies for OCR and PDF processing as root
RUN apt-get update && apt-get install -y \
    poppler-utils \
    libgl1-mesa-glx \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender1 \
    libffi-dev \
    build-essential \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

# Create a non-root user for security
RUN useradd -m -u 1000 user

# Create necessary directories as root and set proper ownership
RUN mkdir -p temp output && \
    chown -R user:user /app

USER user
ENV PATH="/home/user/.local/bin:$PATH"

# Copy requirements first for better caching
COPY --chown=user requirements.txt .

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

# Copy application files
COPY --chown=user app.py .
COPY --chown=user OCR.py .
COPY --chown=user Feedback.py .
COPY --chown=user PDFFeedbackGenerator.py .
COPY --chown=user OCRAccuracyAnalyzer.py .

# Set environment variables
ENV POPPLER_PATH=/usr/bin
ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1

# Expose port 7860 for Hugging Face Spaces
EXPOSE 7860

# Start the application on port 7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]