Rename Jenkinsfile.groovy to Jenkinsfile

Jenkinsfile

+pipeline {
+    agent {
+        label 'your-agent-label'  // Replace with your agent's label
+    }
+    stages {
+        stage('Checkout') {
+            steps {
+                git credentialsId: 'your-repo-credentials', url: 'your-repo-url'
+            }
+        }
+        stage('Build') {
+            steps {
+                sh './gradlew clean build'
+            }
+        }
+        stage('Test') {
+            steps {
+                sh './gradlew test'
+            }
+        }
+        stage('Database Migration') {
+            steps {
+                sh './migrate_db.sh'
+            }
+        }
+        stage('Deploy') {
+            steps {
+                sh 'pkill -f \'java -jar\''
+                sh 'nohup java -jar build/libs/HealthCare-0.0.1-SNAPSHOT.jar --server.port=8081 > app.log 2>&1 &'
+            }
+        }
+    }
+    post {
+        always {
+            echo "Pipeline finished"
+        }
+        success {
+            echo "Pipeline succeeded"
+        }
+        failure {
+            echo "Pipeline failed"
+            mail to: 'your-email@example.com',
+                 subject: "Jenkins Pipeline Failed",
+                 body: "The pipeline ${env.JOB_NAME} build ${env.BUILD_NUMBER} failed."
+        }
+    }
+}
\ No newline at end of file