Spring boot external application.properties

Question

I am developing a spring boot application

I want to override some properties in src/main/resources/application.properties with an external file (e.g.

Answer 1

Notes

1) Tomcat allows you to define context parameters 2) Spring Boot will read the properties defined in Tomcat context parameters as if you are defining them as -Dsomething=some_value

Options

Option 1: Hence a possible way is for you to define spring.config.location at the Tomcat context paramter:

Option 2: define a system property at the Tomcat's setenv.sh file

Dspring.config.location=/path/to/application.properties

Option 3: define an environment variable: SPRING_CONFIG_LOCATION