Update .gitlab-ci.yml file

Author: wadoon

.gitlab-ci.yml

@@ -1,32 +1,32 @@
 image: maven:latest
 
+
 variables:
-  MAVEN_CLI_OPTS: ""
-  MAVEN_OPTS: "-Dmaven.repo.local=.m2/repository"
+  # `showDateTime` will show the passed time in milliseconds. You need to specify `--batch-mode` to make this work.
+  MAVEN_OPTS: >-
+    -Dhttps.protocols=TLSv1.2
+    -Dmaven.repo.local=$CI_PROJECT_DIR/.m2/repository
+    -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.
+  # As of Maven 3.6.1, the use of `--no-tranfer-progress` (or `-ntp`) suppresses download and upload messages. The use
+  # of the `Slf4jMavenTransferListener` is no longer necessary.
+  # `installAtEnd` and `deployAtEnd` are only effective with recent version of the corresponding plugins.
+  MAVEN_CLI_OPTS: >-
+    --batch-mode
+    --errors
+    --fail-at-end
+    --show-version
+    --no-transfer-progress
 
 cache:
   paths:
     - .m2/repository/
-    - target/
+  policy: pull-push
 
-package:
+verify:
   stage: build
   script:    
-    - mvn $MAVEN_CLI_OPTS package
-
-build:
-  stage: build
-  script:    
-    - mvn $MAVEN_CLI_OPTS compile
-
-test:
-  stage: test
-  script:
-    - mvn $MAVEN_CLI_OPTS test
-
-deploy:
-  stage: deploy
-  script:
-    - mvn $MAVEN_CLI_OPTS deploy
-  only:
-    - master
+    - mvn $MAVEN_CLI_OPTS verify