Dockerfile

FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    DEBIAN_FRONTEND=noninteractive

WORKDIR /app

# System dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    git \
    libmagic1 \
    poppler-utils \
    tesseract-ocr \
    libreoffice \
    pandoc \
    && rm -rf /var/lib/apt/lists/*

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

# App code
COPY . .

# Streamlit / HF Spaces port
EXPOSE 7860

# Healthcheck
HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health || exit 1

# 🚨 CMD MUST BE SINGLE LINE
CMD ["streamlit","run","app.py","--server.port=7860","--server.address=0.0.0.0","--server.enableCORS=false","--server.enableXsrfProtection=false"]