refacto: switch to new vps and jenkins integration

Jenkinsfile

@@ -0,0 +1,49 @@
+pipeline {
+    agent any
+
+    stages {
+        stage('Check git...') {
+            steps {
+                checkout scm
+            }
+        }
+        stage('Build') {
+            steps {
+                echo "Build Caddy with cache plugin..."
+                sh "docker compose build --pull"
+            }
+        }
+        stage('Deploy') {
+            steps {
+                echo "Deploy new reverse proxy..."
+                sh "docker compose up -d"
+            }
+        }
+        stage('Check module...') {
+            steps {
+                script {
+                    // Ask caddy to list modules
+                    def modules = sh(script: "docker exec caddy-reverse-proxy caddy list-modules", returnStdout: true)
+                    if (modules.contains('http.handlers.cache')) {
+                        echo "Cache module activated"
+                    } else {
+                        error "Error : can't find cache module"
+                    }
+                }
+            }
+        }
+    }
+
+    post {
+        always { 
+            echo "Clean unused image..."
+            sh "docker image prune -f" 
+        }
+        success {
+            echo "Success !"
+        }
+        failure {
+            echo "Failed."
+        }
+    }
+}