[PYTHON] Reload the server set up with gunicorn when changing the code

When I was developing the flask app for GAE at hand, I wondered how to do a hot reload for a moment.

answer

Specify reload: True in the --reload boot option or configuration file for gunicorn.

Why was this article born?

It seems that old knowledge was cached, and I thought that gunicorn had to make a reload configuration using watchdog or something, but it was shocked because --reload was normally implemented. is. It was added in 2014 when I looked at the changelog. I was mainly writing web applications in python until around 2014, and after that I switched to ruby, but it was appropriate for my knowledge, "This knowledge is more than a year ago. I want a function that recommends.

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