# Build image for DocVerse FastAPI Backend
FROM python:3.10-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Install system dependencies (For EasyOCR & SciSpacy)
RUN apt-get update && apt-get install -y \
    build-essential \
    libpq-dev \
    gcc \
    tesseract-ocr \
    libtesseract-dev \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Install Python dependencies
COPY requirements.txt /app/
RUN pip install --upgrade pip
RUN pip install --no-cache-dir -r requirements.txt

# Download SciSpacy models (Example: en_core_sci_sm for biomedical lit)
# RUN pip install https://s3-us-west-2.amazonaws.com/ai2-s2-scispacy/releases/v0.5.1/en_core_sci_sm-0.5.1.tar.gz

# Copy application code
COPY ./app /app/app
COPY ./main.py /app/main.py

# Expose port
EXPOSE 8000

# Start FastAPI application
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]