OZG-4786 OZG-4792 Take correct username and password to push dockerfiles (Jenkins)

Jenkinsfile

@@ -75,8 +75,11 @@ pipeline {
                     FAILED_STAGE=env.STAGE_NAME
                 }
 
+                
                 configFileProvider([configFile(fileId: 'maven-settings', variable: 'MAVEN_SETTINGS')]) {
-                    sh 'mvn -s $MAVEN_SETTINGS spring-boot:build-image -DskipTests -Dmaven.wagon.http.retryHandler.count=3 -Dbuildtag=$IMAGE_TAG -Dspring-boot.build-image.publish=true'
+                    withCredentials([usernamePassword(credentialsId: 'jenkins-nexus-login', usernameVariable: 'USER', passwordVariable: 'PASSWORD')]) {
+                        sh 'mvn -s $MAVEN_SETTINGS spring-boot:build-image -DskipTests -Dmaven.wagon.http.retryHandler.count=3 -Dbuildtag=$IMAGE_TAG -Dspring-boot.build-image.publish=true -Duser ${USER} -Dpassword ${PASSWORD}'
+                    }
                 }
            }
         }

pom.xml

@@ -69,8 +69,8 @@
                     </image>
                     <docker>
                         <publishRegistry>
-                            <username>USER</username>
-                            <password>PASSWORD</password>
+                            <username>${user}</username>
+                            <password>${password}</password>
                         </publishRegistry>
                     </docker>
 					<excludes>