Dockerfile

# File : Dockerfile
# Purpose : Combined FastAPI + Streamlit in one container for HF Spaces

FROM python:3.11-slim

WORKDIR /app

# System dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    libpq-dev \
    curl \
    && rm -rf /var/lib/apt/lists/*

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

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

# Hugging Face Spaces runs as non-root user 1000
RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
USER appuser

# Expose port 7860 (HF Spaces requirement)
EXPOSE 7860

CMD ["/bin/bash", "-c", "uvicorn app.main:app --host 0.0.0.0 --port 8000 & sleep 5 && streamlit run streamlit_app.py --server.port 7860 --server.address 0.0.0.0"]