How to convert my program into a service?

[Ralf Mardorf]

On Tue, 2021-03-30 at 10:58 +0200, Ralf Mardorf via ubuntu-users wrote:
> It contains elaborated statements related to myths,
> https://www.freedesktop.org/software/systemd/man/systemd.unit.html ,
> but undidactic crap how systemd works.

Oops, that wasn't the link to the myths. I will not post the link now,
it#s part of the "Manuals and Documentation for Users and
Administrators", https://www.freedesktop.org/wiki/Software/systemd/ .

    Manual Pages
    Tips And Tricks
    Frequently Asked Questions
    Debugging systemd Problems
    Incompatibilities with SysV/LSB
    Socket Activation with Popular Daemons
    Booting Without /usr is Broken
    Predictable Network Interface Names
    API File Systems
    Running Services After the Network is up
    My Service Can't Get Realtime!
    The 30 Biggest Myths about systemd
    systemd in Action Part 1, systemd in Action Part 2 (russian)
    Introduction to systemd in French

Don't worry about explanations in Russian, those are anyway dead links.
While I don't speak French, it seems to be that Lea Linux explains the
most basic unit.