maven多环境配置

<build>
    <resources>
        <resource>
            <directory>src/main/resources/${env}</directory>
        </resource>
        <resource>
            <directory>src/main/resources</directory>
            <excludes>
                <exclude>dev/*</exclude>
                <exclude>test/*</exclude>
                <exclude>prod/*</exclude>
            </excludes>
        </resource>
    </resources>

    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>

<profiles>
    <profile>
        <id>dev</id>
        <properties>
            <env>dev</env>
        </properties>
        <activation>
            <activeByDefault>true</activeByDefault>
        </activation>
    </profile>

    <profile>
        <id>test</id>
        <properties>
            <env>test</env>
        </properties>
    </profile>

    <profile>
        <id>prod</id>
        <properties>
            <env>prod</env>
        </properties>
    </profile>
</profiles>