Docker: Python Development mode with mounted directory

FROM python:3.8
RUN pip3 install requests
# COPY curl.py .
# ENTRYPOINT ["python3", "curl.py"]

$ docker build -t mydocker .

$ docker run --rm -v $(pwd):/opt/ mydocker python /opt/curl.py  https://httpbin.org/get

--rm to remove the container when we stopped it.
-v $(pwd):/opt/ to map the current directory on the host system to the /opt directory inside the container
mydocker is the name of the image
After that we can any python program.
You can edit the file on your host system (with your IDE) and run it on the command line of the Docker container.
This works on Linux and Mac OSX. On Windows you might need to spell out the current working directory yourself.

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