removed unnecessary stage and improved docker image

.gitlab-ci.yml

@@ -146,11 +146,6 @@ sonar-analyze:
   #    - ./mvnw -ntp org.jacoco:jacoco-maven-plugin:prepare-agent initialize sonar:sonar -Dsonar.organization=codeAbility -Dsonar.host.url=https://server.arctis.at/sonar/ -Dsonar.login=${SONAR_TOKEN} -Dmaven.repo.local=$MAVEN_USER_HOME
   allow_failure: true
 
-maven-package:
-  stage: package
-  script:
-    - ./mvnw -ntp verify -Pprod -DskipTests -Dmaven.repo.local=$MAVEN_USER_HOME
-
 # Uncomment the following line to use gitlabs container registry. You need to adapt the REGISTRY_URL in case you are not using gitlab.com
 docker-push:
   stage: release

src/main/docker/gitlabCI/customJHipster/readme.md

+# Step 1
+
+docker login sharing-codeability.uibk.ac.at:5051
+
+# Step 2
+
+docker build -t sharing-codeability.uibk.ac.at:5051/sharing/codeability-sharing-platform .
+
+# Step 3
+
+docker push sharing-codeability.uibk.ac.at:5051/sharing/codeability-sharing-platform