fix: force fresh builds to prevent cache issues between localhost and deployed site

- Add --no-cache flag to Docker build to force complete rebuild
- Clean .next and node_modules cache before each build
- Generate unique build ID with timestamp for each deployment
- Configure onDemandEntries to reduce cache duration

This ensures deployed site always matches localhost by preventing:
- Docker layer caching
- Next.js build cache
- Browser cache of stale assets

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Jenkinsfile

@@ -89,6 +89,9 @@ pipeline {
             steps {
                 echo "⚙️ Build de l'application Next.js..."
                 script {
+                    // Nettoyer le cache Next.js pour forcer une reconstruction complète
+                    sh 'rm -rf .next node_modules/.cache'
+
                     // Next.js peut échouer avec des erreurs SSR mais générer quand même un build fonctionnel
                     def buildStatus = sh(script: 'npm ci && npm run build', returnStatus: true)
 
@@ -127,7 +130,7 @@ pipeline {
                     }
 
                     sh """
-                        docker build ${buildArgs} -t ${REGISTRY_URL}/${IMAGE_NAME}:${env.TAG} .
+                        docker build --no-cache ${buildArgs} -t ${REGISTRY_URL}/${IMAGE_NAME}:${env.TAG} .
                         docker tag ${REGISTRY_URL}/${IMAGE_NAME}:${env.TAG} ${REGISTRY_URL}/${IMAGE_NAME}:latest
                     """
                 }

next.config.js

@@ -17,6 +17,15 @@ const nextConfig = {
   },
   // Generate error pages instead of failing build on prerender errors
   staticPageGenerationTimeout: 120,
+  // Generate build ID with timestamp to avoid cache issues
+  generateBuildId: async () => {
+    return `build-${Date.now()}`;
+  },
+  // Disable cache for assets to ensure fresh content
+  onDemandEntries: {
+    maxInactiveAge: 25 * 1000,
+    pagesBufferLength: 2,
+  },
 };
 
 module.exports = nextConfig;