Switching Environments in Spring

Published on 7/12/2013

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You can switch environment profiles easily in Spring.

In Windows:

• In Control Panel > System > Advanced System Settings > Advanced > Environment Variables
• Create a new System Variable, named spring.profiles.active with a value of development
• Create a new System Variable, named JAVA_OPTS with a value of -Dspring.profiles.active=%spring.profiles.active%
• (if JAVA_OPTS already exists, edit it and add that value)
• Do the same thing on your testing, staging, and production servers, but use different values for spring.profiles.active, such as testing, staging, or production
• This way, you can use the same codebase, but use different profiles on different machines
• You can read the ${spring.profiles.active} variable, or use <beans profile="development"> in Spring to use different database connections or dependency injections for testing
• You can usually change environment variables easily in your IDE, such as here. You’ll probably have to restart your application server however.

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