fix(ci): jenkinsfile error and docker host env

Jenkinsfile

@@ -1,40 +1,37 @@
 pipeline {
     agent any
-
     environment {
         IMAGE_NAME = "astro-portfolio"
         CONTAINER_NAME = "portfolio"
         DOCKER_NETWORK = "reverse-proxy"
+        DOCKER_HOST = "unix:///var/run/docker.sock"
     }
-
-    stage('Checkout') {
-        steps {
-            checkout scm
+    stages {
+        stage('Checkout') {
+            steps {
+                checkout scm
+            }
+        }
+        stage('Docker Build') {
+            steps {
+                sh "docker build -t ${IMAGE_NAME} ."
+            }
+        }
+        stage('Deploy') {
+            steps {
+                sh "docker stop ${CONTAINER_NAME} || true"
+                sh "docker rm ${CONTAINER_NAME} || true"
+                sh "docker run -d --name ${CONTAINER_NAME} --network ${DOCKER_NETWORK} ${IMAGE_NAME}"
+            }
+        }
+        stage('Cleanup') {
+            steps {
+                sh "docker image prune -f"
+            }
         }
     }
-
-    stage('Docker Build') {
-        steps {
-            sh "docker build -t ${IMAGE_NAME} ."
-        }
-    }
-
-    stage('Deploy') {
-        steps {
-            sh "docker stop ${CONTAINER_NAME} || true"
-            sh "docker rm ${CONTAINER_NAME} || true"
-            sh "docker run -d --name ${CONTAINER_NAME} --network ${DOCKER_NETWORK} ${IMAGE_NAME}"
-        }
-    }
-
-    stage('Cleanup') {
-        steps {
-            sh "docker image prune -f"
-        }
-    }
-
     post {
-        success { echo "Le site est en ligne !" }
-        failure { echo "Le déploiement a échoué." }
+        success { echo "Success !" }
+        failure { echo "Failed." }
     }
 }