How to externalize application.properties in Tomcat webserver for Spring?

Question

SpringApplication will load properties from application.properties files in the following locations and add them to the Spring Environment:

Answer 1

if anyone is looking for a linux solution, This is working for us:
edit tomcat startup.sh
add:

 export spring_config_location=//application.properties

example:

 export spring_config_location=/app/conf/application.properties