<dependencies>

    <dependency>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-devtools</artifactId>

        <optional>true</optional>

    </dependency>

</dependencies>

The Spring boot dev tools module provides many useful developer features for improving the development experience such as caching static resources, automatic restarts, live reload, global settings and running the remote applications.

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To enable dev tools, add the spring-boot-devtools dependency in the build file.