Environment Specific application properties file in Spring Boot application

Question

In my Spring Boot application  i want to create environment specific properties file  The packaging type of my application in war and i am executing it in embedded tomcat  I use sts and execute the main from sts itself    Can i have environment specific properties file like application-  env-value  properties    In above case  env-value will have values as local devl test prod   Where to set the env-value file  For local  i can set it as the jvm argument through sts Who reads the application properties in Spring Boot application  How to load the environment specific properties file  For ex - if i set the database uid pwd  schema etc in environment specific property file  in that case will the datasource be able to understand the properties in it  Can i use application properties and application-local properties file at same time

User · Accepted Answer

Spring Boot already has support for profile based properties.

Simply add an application-[profile].properties file and specify the profiles to use using the spring.profiles.active property.

-Dspring.profiles.active=local

This will load the application.properties and the application-local.properties with the latter overriding properties from the first.

User · Answer

Yes you can  Since you are using spring  check out  PropertySource anotation   Anotate your configuration with   PropertySource  application-  spring profiles active  properties     You can call it what ever you like  and add inn multiple property files if you like too  Can be nice if you have more sets and or defaults that belongs to all environments  can be written with  PropertySource              as well     PropertySources      PropertySource  application-  spring profiles active  properties       PropertySource  my-special-  spring profiles active  properties       PropertySource  overridden properties       Then you can start the application with environment  -Dspring active profiles test   In this example  name will be replaced with application-test-properties and so on

User · Answer

we can do like this   in application yml   spring    profiles      active  test   modify here to switch between environments     include   application-  spring profiles active  yml   in application-test yml   server    port  5000   and in application-local yml   server    address  0 0 0 0   port  8080   then spring boot will start our app as we wish to

User · Answer

My Point   IN this arent way asking developer to create all environment related in single go  resulting in risk of exposing Production Configuration to end developer as per 12-Factor  shouldnt be enviornment specific reside in Enviornment only   How do we do for CI CD  Build Spring one time and promote to aother environment  in that case  if we have spring jar has all environment  it iwll security risk  having all environment variable in GIT

[spring] Environment Specific application.properties file in Spring Boot application

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