added

k8s/carpool/Dockerfile

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+# syntax=docker/dockerfile:1
+FROM python:3.8-slim-buster
+WORKDIR /app
+COPY requirements.txt requirements.txt
+RUN pip3 install --disable-pip-version-check -r requirements.txt
+COPY . .
+ENV FLASK_APP=python_rest
+EXPOSE 5000
+STOPSIGNAL SIGINT
+CMD [ "python3", "-m" , "flask", "run", "--host=0.0.0.0"]