Added try/finally block in Jenkinsfile

Jenkinsfile

@@ -47,6 +47,7 @@ spec:
 ''') {
 
     node(POD_LABEL) {
+    try {
         stage('Git') {
             git url: 'https://gyulai.cloud/git/bme/covidok-backend.git',
                 credentialsId: '1b1c30a0-590d-41d4-b775-bdb90e837bc8'
@@ -87,13 +88,10 @@ spec:
             }
         }
     }
-    post {
+    finally {
-        always {
+        container('helm') {
-            node(POD_LABEL) {
+            sh '/home/jenkins/agent/workspace/gitea-bme_covidok-backend_master/ci/cleanup.sh'
-                container('helm') {
-                    sh '/home/jenkins/agent/workspace/gitea-bme_covidok-backend_master/ci/cleanup.sh'
-                }
-            }
         }
     }
+    }
 }