No TLS listener with flask run

[snobu]

Is flask run supposed to spin up a TLS listener if the app is configured with TLS?

Take this app.py:

if __name__ == "__main__":
    app.run(ssl_context=('cert.pem', 'key.pem'))

• If i run python app.py i get the expected Listening on https://... and all is well - note the https.
• If i run flask run i get an HTTP listener, Listening on http://.... No TLS.

Is this expected behaviour? May i suggest mentioning this somewhere in the quickstart? - http://flask.pocoo.org/docs/0.12/quickstart/

Would be great if someone would lay out the difference between the two invocations.

Ref:
https://stackoverflow.com/questions/48518584/

[davidism]

Duplicate of #2606. And the SO question is a duplicate of https://stackoverflow.com/q/48467835/400617, which wasn't apparent when I saw it earlier today because they didn't say they were using the flask command.

[davidism]

Surprising that it's come up twice so recently after the issue and PR were made. Also, sorry, thought the question was yours originally, but you were the one hunting down an MCVE from them. Thanks for the help. :-)

[snobu]

No worries, glad this is no longer an issue with Flask 1.0+. Can one already get that from pip or there's an ETA?