add unix socket for postgres

lib/data/templates/postgres/postgres.service.erb

@@ -0,0 +1,36 @@
+[Unit]
+Description=PostgreSQL <%= version %>
+After=network.target
+
+[Service]
+Type=notify
+#Type=simple
+
+User=postgres
+Group=services
+
+ExecStart=<%= postgres_bin %> -D <%= database_dir %>
+
+StandardOutput=journal
+StandardError=journal
+
+ExecReload=/bin/kill -HUP $MAINPID
+KillMode=mixed
+TimeoutSec=300
+Restart=on-failure
+NotifyAccess=all
+
+# Security
+#ProtectSystem=full
+#ProtectHome=true
+ReadWritePaths=<%= database_dir %>
+
+# PrivateTmp=true
+NoNewPrivileges=true
+
+# Resource Limits
+LimitNOFILE=65536
+
+[Install]
+WantedBy=multi-user.target
+