FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    tesseract-ocr \
    tesseract-ocr-eng \
    poppler-utils \
    libgl1-mesa-glx \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgomp1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

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

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

# Copy application code
COPY . .

# Create uploads directory
RUN mkdir -p uploads

# Expose port
EXPOSE 7860

# Set environment variables for Hugging Face Spaces
ENV PYTHONUNBUFFERED=1
ENV FLASK_APP=app.py

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