FROM python:3.12-slim

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

# Set working directory
WORKDIR /cost-assistant

# Copy requirements first (for caching)
COPY requirements.txt .

# Install system dependencies: OpenCV, Poppler, and minimal utils
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    poppler-utils \
 && rm -rf /var/lib/apt/lists/*

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

# Copy the project files
COPY . .

# Create upload folder
RUN mkdir -p data/uploads

# Expose port
EXPOSE 8000

# Run FastAPI with Uvicorn (reload for dev)
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]