move to uwsgi

[chicco785]

Is your feature request related to a problem? Please describe.
flask runner are not the recommended solution for production

Describe the solution you'd like
move to uwsgi, see here:
https://github.com/hellt/nginx-uwsgi-flask-alpine-docker/blob/master/python3/Dockerfile

Additional context
Hopefully this make ql container more performing

[c0c0n3]

See also Flask deployment options over here:

• https://flask.palletsprojects.com/en/1.1.x/deploying/#deployment

Notice what the docs say about using the built-in server for prod workloads

Flask’s built-in server is not suitable for production

oh dear :-)

[chicco785]

you get the exact same message everytime quantumleap starts...

[c0c0n3]

In the end we decided to use Gunicorn instead of uWSGI. Since we now have implemented the necessary Gunicorn plumbing (#357), I'm closing this issue.