FROM python:3.9.15-alpine3.16

RUN apk update \
    && apk upgrade \
    && apk add --virtual build-deps gcc python3-dev musl-dev

RUN python3 -m ensurepip && pip3 install --upgrade pip setuptools wheel

WORKDIR /opt/ping_engine

COPY ./requirements.txt /tmp/

# COPY ping_engine.py /opt/ping_engine

RUN pip3 install -r /tmp/requirements.txt

RUN apk del build-deps

EXPOSE 5000

ENV PYTHONUNBUFFERED 1

CMD flask --app ping_engine --debug run --host=0.0.0.0