diff --git a/.gitignore b/.gitignore
index 65ebe5f..b5d5740 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,7 @@
-node_modules/
-dist/
-.env
-data/
-*.db
-__pycache__/
-.DS_Store
+node_modules/
+dist/
+.env
+data/
+*.db
+__pycache__/
+.DS_Store
diff --git a/Dockerfile b/Dockerfile
index bb173d1..70010a5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,13 +44,4 @@ ENV PORT=3001
 # JWT_SECRET doit être injecté via variable d'environnement au runtime
 
 HEALTHCHECK --interval=30s --timeout=10s --start-period=20s --retries=3 \
-    CMD wget -qO- http://localhost:3001/api/health || exit 1
-
-EXPOSE 3001
-
-# Volume pour SQLite DB + uploads (persistant entre les redémarrages)
-VOLUME ["/app/data"]
-
-# ts-node --transpile-only : contourne les erreurs de compilation tsc
-# (dist/index.js produit par tsc est tronqué sur certains environnements Alpine)
-CMD ["node_modules/.bin/ts-node", "--transpile-only", "src/index.ts"]
+    CMD wget -qO- http://localhost:
\ No newline at end of file
diff --git a/backend/package.json b/backend/package.json
index a66a735..1a52f02 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -34,6 +34,4 @@
     "@types/uuid": "^10.0.0",
     "drizzle-kit": "^0.22.7",
     "ts-node-dev": "^2.0.0",
-    "typescript": "^5.4.5"
-  }
-}
+    "typescript": "^5.4
\ No newline at end of file
diff --git a/backend/src/index.ts b/backend/src/index.ts
index 932fdc5..429aa4f 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -47,13 +47,15 @@ app.use('/api/export',  exportRouter)
 // ─── Serve Frontend (production) ─────────────────────────────────────────────
 const publicDir = path.join(__dirname, '..', 'public')
 if (fs.existsSync(publicDir)) {
-  app.use(express.static(publicDir))
-  app.get('*', (_req, res) => res.sendFile(path.join(publicDir, 'index.html')))
-}
+  // Service worker — jamais mis en cache (sinon l'ancien SW continue après déploiement)
+  app.get('/sw.js', (_req, res) => {
+    res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate')
+    res.setHeader('Pragma', 'no-cache')
+    res.setHeader('Expires', '0')
+    res.sendFile(path.join(publicDir, 'sw.js'))
+  })
 
-// ─── Start ────────────────────────────────────────────────────────────────────
-app.listen(PORT, () => {
-  console.log(`✓ ShootTracker backend → http://localhost:${PORT}`)
-  console.log(`  Uploads : ${UPLOADS_DIR}`)
-  console.log(`  AI      : ${process.env.AI_SERVICE_URL || 'http://localhost:8000'}`)
-})
+  // Manifeste PWA — pas de cache long
+  app.get(/\.webmanifest$/, (_req, res, next) => {
+    res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate')
+    res.set
\ No newline at end of file
diff --git a/backend/src/routes/export.ts b/backend/src/routes/export.ts
index b58f384..9e9a2fb 100644
--- a/backend/src/routes/export.ts
+++ b/backend/src/routes/export.ts
@@ -168,5 +168,4 @@ exportRouter.get('/excel', (req: AuthRequest, res) => {
   const filename = `shoottracker_${format(new Date(), 'yyyy-MM-dd')}.xlsx`
   res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
   res.setHeader('Content-Disposition', `attachment; filename="${filename}"`)
-  res.send(XLSX.write(wb, { type: 'buffer', bookType: 'xlsx' }))
-})
+  res.send(XLSX.write(wb, { type: 'buffer', bookType: 
\ No newline at end of file
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index 8b918f5..dbf3fd5 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -16,4 +16,3 @@
   },
   "include": ["src/**/*"],
   "exclude": ["node_modules", "dist"]
-}
diff --git a/docker-compose.yml b/docker-compose.yml
index 904fdc0..ddd2cec 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -56,13 +56,4 @@ services:
       - yolo_models:/root/.config/Ultralytics
     healthcheck:
       test: ["CMD", "wget", "-qO-", "http://localhost:8000/health"]
-      interval: 30s
-      timeout: 15s
-      retries: 3
-      start_period: 60s
-
-volumes:
-  shoottracker_data:
-    driver: local
-  yolo_models:
-    driver: local
+      interval: 
\ No newline at end of file
diff --git a/frontend/package.json b/frontend/package.json
index afec696..643fbdb 100644
Binary files a/frontend/package.json and b/frontend/package.json differ
diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
index f6ff403..448279a 100644
--- a/frontend/vite.config.ts
+++ b/frontend/vite.config.ts
@@ -25,12 +25,13 @@ export default defineConfig({
       },
       workbox: {
         globPatterns: ['**/*.{js,css,html,ico,png,svg,woff2}'],
+        cleanupOutdatedCaches: true,
         runtimeCaching: [
           {
             urlPattern: /^\/api\/.*/i,
             handler: 'NetworkFirst',
             options: {
-              cacheName: 'api-cache',
+              cacheName: 'shoottracker-api-cache',
               expiration: { maxEntries: 50, maxAgeSeconds: 60 * 5 },
               networkTimeoutSeconds: 10,
             }
@@ -46,8 +47,4 @@ export default defineConfig({
       '/uploads': { target: 'http://localhost:3001', changeOrigin: true }
     }
   },
-  build: {
-    outDir: 'dist',
-    sourcemap: false
-  }
-})
+  build: 
\ No newline at end of file