FROM python:3.11-slim

# Install system dependencies for Pillow and Tesseract
RUN apt-get update && apt-get install -y \
    tesseract-ocr \
    libtesseract-dev \
    libfreetype6-dev \
    libjpeg-dev \
    libpng-dev \
    fonts-dejavu \
    fonts-dejavu-core \
    fonts-dejavu-extra \
    fonts-liberation \
    fonts-liberation2 \
    fontconfig \
    && fc-cache -f -v \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

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

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

# Copy application files
COPY app.py .
COPY templates/ templates/

# Create uploads directory
RUN mkdir -p uploads

# Expose port
EXPOSE 5001

# Set environment variables
ENV PYTHONUNBUFFERED=1

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