postgresql.service

   1 [Unit]
   2 Description=PostgreSQL server
   3 Wants=postgresql.target
   4 After=postgresql.target
   5
   6 [Service]
   7 Type=oneshot
   8 RemainAfterExit=yes
   9 ExecStart=/bin/systemctl is-active postgresql.target
  10 ExecReload=/bin/true
  11
  12 [Install]
  13 WantedBy=multi-user.target