Resource filtering by Gradle

You can use filtering function in Gradle like as below.

- build.gradle

apply plugin: 'java'
apply plugin: 'spring-boot'

repositories {
    maven { url "http://repo1.maven.org/maven2" }
}

dependencies {
    compile group: 'org.springframework.boot', name: 'spring-boot-starter-actuator'
    compile group: 'org.springframework.boot', name: 'spring-boot-starter-web'
}

buildscript {
    repositories {
        maven { url "http://repo1.maven.org/maven2" }
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:1.4.0.RELEASE")
    }
}

import org.apache.tools.ant.filters.*

processResources {
    filter ReplaceTokens, tokens: [
            "env": project.property("env")
    ]
}

- src/main/resources/application.properties

spring.profiles.active=@env@

- result

You can find the changed value at properties file in builded jar file.

gradle build -Penv=test

Execution result

- build/resources/main/application.properties

spring.profiles.active=test