* Fix function name
* Also, see https://stackoverflow.com/questions/26858344/trap-not-working-in-shell-script

Minify v6 requires node>=12

https://team.picasoft.net/picasoft/pl/gd5e6y48p3gfupp9tgnchqgw6e

Tool is only accessible with the container's network, to avoid potential spam/DOS.
Indeed, one could just call the container's public URL with a forged request to redirect POST requests to an arbitrary server.
With this modification, one could still use Filter Hook with an arbitrary URL, but the call should come from Wekan (i.e. mass move/create cards), which is not worth it.