honkoma/installation/pleroma.service

[Unit]
Description=Pleroma social network
After=network.target postgresql.service

[Service]
User=pleroma
WorkingDirectory=/home/pleroma/pleroma
Environment="HOME=/home/pleroma"
ExecStart=/usr/local/bin/mix phx.server
ExecReload=/bin/kill $MAINPID
KillMode=process
Restart=on-failure

; Some security directives.
; Use private /tmp and /var/tmp folders inside a new file system namespace, which are discarded after the process stops.
PrivateTmp=true
; This makes /usr, /boot, /etc read-only.
ProtectSystem=full
; Sets up a new /dev mount for the process and only adds API pseudo devices like /dev/null, /dev/zero or /dev/random but not physical devices. Disabled by default because it may not work on devices like the Raspberry Pi.
PrivateDevices=false
; Ensures that the service process and all its children can never gain new privileges through execve()
NoNewPrivileges=true

[Install]
WantedBy=multi-user.target