FROM python:3.10-slim

WORKDIR /app

# Install dependencies first (Docker layer caching — faster rebuilds)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Download spaCy English model for NER-based PII masking
RUN python -m spacy download en_core_web_sm

# Copy app code
COPY app.py .

# HF Spaces requires the app to listen on port 7860
EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]