Nothing fancy. systemd for process management, Python for automation, and a whole bunch of shell scripts. IOW the way that I did things before Docker came along

Nothing fancy. systemd for process management, Python for automation, and a whole bunch of shell scripts. IOW the way that I did things before Docker came along. I still believe in containers in a multi-developer environment, but in my experience the disadvantages outweigh the advantages when your only coworker is future-you.