Minor improvements to nginx.service and logrotate

nginx.logrotate

@@ -7,7 +7,7 @@
     compress
     sharedscripts
     postrotate
-        /bin/kill -USR1 `cat /run/nginx.pid 2>/dev/null` 2>/dev/null || true
+        /usr/bin/systemctl kill --signal=SIGUSR1 --kill-who=main nginx.service 2>/dev/null || true
     endscript
 }
 

nginx.service

@@ -1,6 +1,6 @@
 [Unit]
 Description=The nginx HTTP and reverse proxy server
-After=syslog.target network.target remote-fs.target nss-lookup.target
+After=network.target remote-fs.target nss-lookup.target
 
 [Service]
 Type=forking
@@ -8,7 +8,7 @@ PIDFile=/run/nginx.pid
 ExecStartPre=/usr/sbin/nginx -t
 ExecStart=/usr/sbin/nginx
 ExecReload=/bin/kill -s HUP $MAINPID
-ExecStop=/bin/kill -s QUIT $MAINPID
+KillSignal=SIGQUIT
 TimeoutStopSec=5
 KillMode=mixed
 PrivateTmp=true