added stages to build a deliverable and then clean it up when done

Jenkinsfile

@@ -35,7 +35,6 @@ pipeline {
     }
     stage('Report results') {
       steps {
-        archive(includes: 'pkg/*.gem')
         publishHTML (target: [
           allowMissing: false,
           alwaysLinkToLastBuild: false,
@@ -47,6 +46,23 @@ pipeline {
       }
     }
   }
+  stage('Build deliverable') {
+    steps {
+       sh 'mkdir url-shortener'
+       sh 'shopt -s extglob && cp -R !(url-shortener) url-shortener/'
+       sh 'rm -rf url-shortener/features'
+       sh 'rm -rf url-shortener/spec'
+       sh 'rm -rf url-shortener/coverage'
+       sh 'tar -czvf url-shortener.tgz url-shortener/'
+       archiveArtifacts artifacts: 'url-shortener.tgz'
+    }
+  }
+  stage('Clean up deliverable') {
+    steps {
+      sh 'rm -rf url-shortener'
+      sh 'rm -rf url-shortener.tgz'
+    }
+  }
   post {
     success {
       mattermostSend channel: 'git-messages', color: 'good', message: "[${JOB_NAME}](${JOB_URL}) [#${BUILD_NUMBER}](${BUILD_URL}) ([Gitea](${GIT_URL}))", text: 'Build Finished Successfully'