Keep FastCGI available during restarts

scripts/systemd/uce.service

@@ -1,7 +1,8 @@
 [Unit]
 Description=UCE FastCGI Runtime
-After=network-online.target mariadb.service memcached.service
+After=network-online.target mariadb.service memcached.service uce.socket
 Wants=network-online.target
+Requires=uce.socket
 
 [Service]
 Type=simple
@@ -10,13 +11,11 @@ RuntimeDirectory=uce
 StateDirectory=uce
 CacheDirectory=uce
 ExecStartPre=/usr/bin/mkdir -p /var/cache/uce/work /var/lib/uce/uploads /var/lib/uce/sessions
-ExecStartPre=/usr/bin/rm -f /run/uce/fastcgi.sock
 ExecStartPre=/usr/bin/bash /Code/uce.openfu.com/uce/scripts/build_linux.sh
 ExecStart=/Code/uce.openfu.com/uce/bin/uce_fastcgi.linux.bin
-ExecStopPost=/usr/bin/rm -f /run/uce/fastcgi.sock
 Restart=always
 RestartSec=2
-TimeoutStopSec=15
+TimeoutStopSec=30
 KillMode=mixed
 StandardOutput=journal
 StandardError=journal

scripts/systemd/uce.socket

@@ -0,0 +1,15 @@
+[Unit]
+Description=UCE FastCGI socket
+
+[Socket]
+ListenStream=/run/uce/fastcgi.sock
+FileDescriptorName=fastcgi
+SocketUser=www-data
+SocketGroup=www-data
+SocketMode=0660
+DirectoryMode=0755
+Backlog=100
+Service=uce.service
+
+[Install]
+WantedBy=sockets.target