fix agent

Jenkinsfile

@@ -1,11 +1,13 @@
 pipeline {
+  agent {
+      label 'docker'
+  }
   environment {
-    imagename = "yenigul/hacicenkins"
+    imagename = "d4science/r-full"   #TO FILL WITH THE RIGHT VALUE (RepositoryName)
     registryCredential = 'e348bfab-5580-4db6-b0e0-d854966bde08'
-    dockerImage = ''
+    dockerImage = '' # TO FILL WITH THE RIGHT VALUE
     git_url='https://code-repo.d4science.org/gCubeSystem/docker-r-template-test.git'
   }
-  agent 'docker'
   stages {
     stage('Cloning Git') {
       steps {