updated jenkinsfile

Jenkinsfile

@@ -1,12 +1,16 @@
 pipeline {
-    agent any
-
+    agent {
+        docker {
+            image 'docker:latest'
+            args '-v /var/run/docker.sock:/var/run/docker.sock'
+        }
+    }
     stages {
         stage('Build Docker Image') {
             steps {
                 script {
                     def imageName = "python-jenkins-project:${BUILD_NUMBER}"
-                    sh "DOCKER_BUILDKIT=0 docker build --no-cache -t ${imageName} ."
+                    docker.build(imageName, '.')
                     env.IMAGE_NAME = imageName
                 }
             }
@@ -14,18 +18,35 @@ pipeline {
         stage('Deploy Docker Container') {
             steps {
                 script {
-                    sh "docker stop python-jenkins-container || true"
-                    sh "docker rm python-jenkins-container || true"
-                    sh "docker run -d -p 5555:80 --name python-jenkins-container ${env.IMAGE_NAME}"
+                    sh """
+                        docker stop python-jenkins-container || true
+                        docker rm python-jenkins-container || true
+                        docker run -d -p 5555:80 --name python-jenkins-container ${env.IMAGE_NAME}
+                    """
                 }
             }
         }
         stage('Verify Deployment') {
             steps {
                 script {
-                    sh "curl http://38.110.1.139:5555"
+                    retry(3) { // Retry up to 3 times
+                        sh """
+                            curl --fail http://38.110.1.139:5555
+                        """
+                    }
+                }
             }
         }
     }
+    post {
+        always {
+            script {
+                sh """
+                    docker network connect host python-jenkins-container
+                    docker exec python-jenkins-container sed -i 's/listen 80 default_server;/listen 80 default_server; server_name python.jacquesingram.online;/' /etc/nginx/conf.d/default.conf
+                    docker exec python-jenkins-container nginx -s reload
+                """
+            }
+        }
     }
 }