FROM python:3.10-slim

# Install system dependencies FIRST
RUN apt-get update && apt-get install -y \
    tesseract-ocr \
    tesseract-ocr-eng \
    poppler-utils \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

# Install Python dependencies
COPY --chown=user requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -r requirements.txt

# Copy app
COPY --chown=user . /app

# Start FastAPI
CMD ["uvicorn", "backend.api:app", "--host", "0.0.0.0", "--port", "7860"]