How to enable Spring Boot DevTools on IntelliJ IDEA

Make sure that you have Spring Boot DevTools dependency on your pom.xml

<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-devtools</artifactId>
   <scope>runtime</scope>
   <optional>true</optional>
</dependency>

Step 1 — Enable “Build project automatically”

Open Settings > Build, Execution, Deployment > Compiler

Step 2 — Open Registry

Press Ctrl + Shift+ A, then search for Registry then press Enter

Step 3 — Enable Auto make when App is Running

Looking for compiler.automake.allow.when.app.running and check the checkbox

That’s it!

Make some changes on your source code and press Ctrl + S

IntelliJ IDEA will re-compile and update for you.

Happy Coding