FROM ubuntu:22.04

RUN apt-get update && \
    apt-get upgrade -y && \
    apt-get install -y python3 python3-pip && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

COPY app.py .

USER nobody
EXPOSE 5000
CMD ["python3", "app.py"]