This is the a very simple snap that displays hello world on webpage server via
python flask It hosts on port 5000. The easiest way to expose it is via serveo.
Enable snaps on Debian and install jy-learn-snapcraft-flask
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line: