pom.xml

<plugin>
        <groupId>com.heroku.sdk</groupId>
        <artifactId>heroku-maven-plugin</artifactId>
        <version>1.2.0</version>
        <executions>
          <execution>
            <id>app1</id>
            <goals>
              <goal>deploy</goal>
            </goals>
            <configuration>
              <appName>my-app-2</appName>
            </configuration>
          </execution>
          <execution>
            <id>app2</id>
            <goals>
              <goal>deploy</goal>
            </goals>
            <configuration>
              <appName>my-app-2</appName>
            </configuration>
          </execution>
        </executions>
      </plugin>