FROM ubuntu:focal

# deaktiviert Nachfragen beim installieren von Paketen
ENV DEBIAN_FRONTEND=noninteractive

# hadolint ignore=DL3008,DL3028,DL4006
RUN apt-get update && \
   	apt-get -y --no-install-recommends install \
		python3-pip && \
		apt-get clean && \
	  rm -rf /var/lib/apt/lists/* /var/tmp/* /tmp/*

WORKDIR /app

COPY requirements.txt .
COPY app.py .
COPY index.html ./templates/index.html

RUN pip install --no-cache-dir -r requirements.txt

EXPOSE 5000

CMD [ "python3", "-m" , "flask", "run", "--port", "5000", "--host", "0.0.0.0"]