Multiple config profiles with Maven

pom.xml

<profiles>
    <profile>
        <id>local</id>
        <activation>
            <activeByDefault>true</activeByDefault>
        </activation>
        <build>
            <resources>
                <resource>
                    <directory>src/main/resources</directory>
                </resource>
                <resource>
                    <directory>src/main/config/local</directory>
                </resource>
            </resources>
        </build>
    </profile>
    <profile>
        <id>dev</id>
        <build>
            <resources>
                <resource>
                    <directory>src/main/resources</directory>
                </resource>
                <resource>
                    <directory>src/main/config/dev</directory>
                </resource>
            </resources>
        </build>
    </profile>
</profiles>

Project structure

src/main/resources
|
+- local
|  |
|  `- specific.properties
+- dev
   |
   `- specific.properties