Dockerfile

FROM python:3.9-slim

RUN useradd -m user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app
COPY . .

RUN pip install --no-cache-dir --upgrade pip \
 && pip install --no-cache-dir -r requirements.txt

CMD sh -c "streamlit run app.py --server.address=0.0.0.0 --server.port=\${PORT:-8501}"