Adding default tomcat threads configuration

src/main/resources/common.properties

@@ -22,3 +22,7 @@
 
 #Enable tomcat metrics
 server.tomcat.mbeanregistry.enabled=true
+
+#Tomcat threads configuration
+server.tomcat.max-threads=400
+server.tomcat.min-spare-threads=200
\ No newline at end of file