Add Jenkinsfile

Jenkinsfile

@@ -0,0 +1,23 @@
+pipeline {
+    agent any
+    stages {
+        stage('Build') {
+            steps {
+                sh 'echo "sample artifact" > artifact.txt'
+            }
+        }
+        stage('Save user') {
+            steps {
+                script {
+                    def username = currentBuild.getBuildCauses().find { it._class == 'hudson.model.Cause$UserIdCause' }?.userId
+                    writeFile file: 'user.txt', text: username
+                }
+            }
+        }
+        stage('Archive artifacts') {
+            steps {
+                archiveArtifacts artifacts: '**/artifact.txt, user.txt'
+            }
+        }
+    }
+}