separe deploy and sonar to use different settings.xml

.gitlab-ci.yml

 image: maven:3.3.9-jdk-8
 
+variables:
+  # This will supress any download for dependencies and plugins or upload messages which would clutter the console log.
+  # `showDateTime` will show the passed time in milliseconds. You need to specify `--batch-mode` to make this work.
+  MAVEN_OPTS: "-Dmaven.repo.local=.m2/repository -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=WARN -Dorg.slf4j.simpleLogger.showDateTime=true -Djava.awt.headless=true"
+  # As of Maven 3.3.0 instead of this you may define these options in `.mvn/maven.config` so the same config is used
+  # when running from the command line.
+  # `installAtEnd` and `deployAtEnd`are only effective with recent version of the corresponding plugins.
+  MAVEN_CLI_OPTS: "--batch-mode --errors --fail-at-end --show-version -DinstallAtEnd=true -DdeployAtEnd=true"
+
 cache:
-    untracked: true
+   paths:
+    - .m2/repository 
 
 mybuild:
     stage: build
     script: 
-      - mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent --settings settings.xml deploy sonar:sonar -Dmaven.test.failure.ignore=true -Dmaven.repo.local=/cache/maven.repo
+      - mvn $MAVEN_CLI_OPTS clean org.jacoco:jacoco-maven-plugin:prepare-agent --settings settings.xml deploy -Dmaven.test.failure.ignore=true 
+      - mvn $MAVEN_CLI_OPTS sonar:sonar
     artifacts:
        paths:
         - org.*/target/*.jar