ci(lighthouse): add jenkins lighthouse automated audit

.env.dist

@@ -1,2 +1,4 @@
 NODE_VERSION=24
 CADDY_VERSION=2.10.2
+LHCI_VERSION=0.15.x
+ZENIKA_VERSION=124-with-node

Jenkinsfile

@@ -2,6 +2,7 @@ pipeline {
     agent any
     environment {
         DOCKER_HOST = "unix:///var/run/docker.sock"
+        APP_VERSION = "${env.BRANCH_NAME}-${env.BUILD_NUMBER}"
     }
     stages {
         stage('Build') {
@@ -9,12 +10,25 @@ pipeline {
                 // Get Caddy version
                 sh "cp .env.dist .env"
                 // Push portfolio version
-                sh "echo '\nPORTFOLIO_VERSION=${env.BRANCH_NAME}-${env.BUILD_NUMBER}' >> .env"
+                sh "echo '\nPORTFOLIO_VERSION=${env.APP_VERSION}' >> .env"
 
                 echo "Building new portfolio version..."
                 sh "docker compose build"
             }
         }
+        stage('Lighthouse Audit') {
+            steps {
+                // Temporary container to get data in /dist folder
+                // Reuse of just build portfolio image
+                 sh "mkdir -p ./dist-audit ./.lighthouseci"
+                sh "docker create --name audit-tmp portfolio:${env.APP_VERSION}"
+                sh "docker cp audit-tmp:/usr/share/caddy/. ./dist-audit"
+                sh "docker rm audit-tmp"
+
+                // Launch special service in docker compose
+                sh "docker compose --profile audit run --rm lighthouse-audit"
+            }
+        }
         stage('Deploy') {
             // Deploy only master branch
             when {
@@ -35,8 +49,17 @@ pipeline {
     }
     post {
         always { 
-            echo "Clean unused image..."
+            echo "Publish Lighthouse audit..."
+            publishHTML([
+                allowMissing: true,
+                alwaysLinkToLastBuild: true,
+                reportDir: '.lighthouseci',
+                reportFiles: 'index.html',
+                reportName: 'Lighthouse Report'
+            ])
+            echo "Clean unused image and files..."
             sh "docker image prune -f" 
+            sh "rm -rf ./dist-audit"
         }
         success { echo "Success !" }
         failure { echo "Failed." }

docker-compose.yml

@@ -11,6 +11,21 @@ services:
     networks:
       - reverse-proxy
 
+  lighthouse-audit:
+    profiles:
+      - audit
+    image: zenika/alpine-chrome:${ZENIKA_VERSION}
+    container_name: lighthouse-audit
+    user: "0:0"
+    volumes:
+      - ./dist-audit:/app/dist
+      - ./.lighthouseci:/app/.lighthouseci
+      - ./.lighthouserc.cjs:/app/.lighthouserc.cjs
+    environment:
+      - CHROME_PATH=/usr/bin/chromium-browser
+    working_dir: /app
+    command: npx @lhci/cli@${LHCI_VERSION} collect --config=/app/.lighthouserc.cjs
+
 networks:
   reverse-proxy:
     external: true