add slack notification and build status

Jenkinsfile

@@ -5,6 +5,7 @@ pipeline{
          steps {
              script{
              if(env.BRANCH_NAME=='testci2'|| env.BRANCH_NAME=='security-enhancements'){
+                slackSend (message: "BUILD START: Job '${env.JOB_NAME} [${env.BUILD_NUMBER}]' CHECK THE RESULT ON: https://cd.daf.teamdigitale.it/blue/organizations/jenkins/CI-Dataportal_Backend/activity")
                 sh '''
                 sbt " -DSTAGING=true; reload; clean; compile;  docker:publish"
                 '''
@@ -20,11 +21,17 @@ pipeline{
                     sh '''
                     cd kubernetes
                     ./config-map-test.sh                    
-                    kubectl apply -f  daf_datipubblici_test.yaml
+                    kubectl apply -f  daf_datipubblici_test.yaml --force
                     '''
+                    slackSend (color: '#00FF00', message: "SUCCESSFUL: Job '${env.JOB_NAME} [${env.BUILD_NUMBER}]' https://cd.daf.teamdigitale.it/blue/organizations/jenkins/CI-Dataportal_Backend/activity")
             }
             }
         }
      }
      }
+     post { 
+        failure { 
+            slackSend (color: '#ff0000', message: "FAIL: Job '${env.JOB_NAME} [${env.BUILD_NUMBER}]' https://cd.daf.teamdigitale.it/blue/organizations/jenkins/CI-Dataportal_Backend/activity")
+        }
+    }
 }

README.md

@@ -4,6 +4,9 @@
 <img title="Build Status Images" src="https://api.travis-ci.com/italia/dati-frontendserver.svg?token=sdc8mJz3EyP3LyxtXjxQ">
 </a>
 
+## status
+[Build Status](http://131.1.252.41/job/CI-Dataportal_Backend/job/security-enhancements/badge/icon)
+
 **FRONT END SERVER** 
 
 Il front end server è un componente della architettura di