# Base image
FROM python:3.10-slim

# Set env to avoid interactive prompts and ensure models cache to /tmp
ENV HF_HOME=/tmp \
    XDG_CACHE_HOME=/tmp \
    PYTHONUNBUFFERED=1

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    poppler-utils \
    tesseract-ocr \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    build-essential \
    libpoppler-dev \
    libtesseract-dev \
    libblas-dev \
    liblapack-dev \
    gfortran \
 && apt-get clean \
 && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy requirements and install
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app files
COPY . .

# Create upload directory and give full write permissions
RUN mkdir -p /tmp/uploads && chmod 777 /tmp/uploads

# Expose port (for local or HF Spaces)
EXPOSE 7860

# Start the Flask app
CMD ["python", "app.py"]