[Unit]
Description=i3 Window Manager
After=x11@0.target
Requisite=x11@0.target

[Service]
Environment=DISPLAY=:0
Type=simple
ExecStart=/usr/bin/env bash -c 'exec 8>%t/x11-wm@0; exec i3'
SyslogIdentifier=i3

[Install]
RequiredBy=x11@0.target