snap - Application package files for Linux
You can learn more about snap itself by visiting the website: https://snapcraft.io/about
Supported Uses in FPM
fpm supports input and output for snap packages. This means you can read a snap and convert it to a different output type (such as a dir or rpm). It also means you can create a snap package.
snap-specific command line flags
--snap-confinement CONFINEMENTType of confinement to use for this snap.
--snap-grade GRADEGrade of this snap.
--snap-yaml FILEPATHCustom version of the snap.yaml file.