Dockerfile

# Base image
FROM python:3.10-slim

# Create app directory
WORKDIR /home/appuser/app

# Set environment variables
ENV PATH="/home/appuser/.local/bin:$PATH"
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Install dependencies
COPY requirement.txt .
RUN pip install --upgrade pip \
 && pip install --user -r requirement.txt

# Add a non-root user
RUN adduser --disabled-password --gecos "" appuser
USER appuser

# Copy code
COPY --chown=appuser:appuser . .

# Expose ports
EXPOSE 8000
EXPOSE 8501

# Start FastAPI then Streamlit
CMD uvicorn streamlit_app.main_api:app --host 0.0.0.0 --port 8000 & \
    streamlit run streamlit_app/app.py --server.port 8501