Configuring maven project to deploy on Sonatype with maven-jgitflow-plugin

pom.xml (partial)

...

    <parent>
        <groupId>org.sonatype.oss</groupId>
        <artifactId>oss-parent</artifactId>
        <version>7</version>
    </parent>

...

    <build>
        <plugins>
            <plugin>
                <groupId>com.atlassian.maven.plugins</groupId>
                <artifactId>maven-jgitflow-plugin</artifactId>
                <version>1.0-alpha21.1</version>
                <configuration>
                </configuration>
            </plugin>
        </plugins>
    </build>


...

    <profiles>
        <profile>
            <id>releaseBranchPrefix-sign-artifacts</id>
            <activation>
                <property>
                    <name>performRelease</name>
                    <value>true</value>
                </property>
            </activation>
            <build>
                <plugins>
                    <plugin>
                        <artifactId>maven-gpg-plugin</artifactId>
                        <version>1.4</version>
                        <executions>
                            <execution>
                                <id>sign-artifacts</id>
                                <phase>verify</phase>
                                <goals>
                                    <goal>sign</goal>
                                </goals>
                            </execution>
                        </executions>
                    </plugin>
                </plugins>
            </build>
        </profile>
    </profiles>

...