diff --git a/Dockerfile b/Dockerfile
index 70010a5..bb173d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,4 +44,13 @@ 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:
\ No newline at end of file
+    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"]
diff --git a/backend/package.json b/backend/package.json
index 1a52f02..a66a735 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -34,4 +34,6 @@
     "@types/uuid": "^10.0.0",
     "drizzle-kit": "^0.22.7",
     "ts-node-dev": "^2.0.0",
-    "typescript": "^5.4
\ No newline at end of file
+    "typescript": "^5.4.5"
+  }
+}
diff --git a/backend/src/index.ts b/backend/src/index.ts
index 429aa4f..575895b 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -58,4 +58,17 @@ if (fs.existsSync(publicDir)) {
   // Manifeste PWA — pas de cache long
   app.get(/\.webmanifest$/, (_req, res, next) => {
     res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate')
-    res.set
\ No newline at end of file
+    res.setHeader('Expires', '0')
+    next()
+  })
+
+  app.use(express.static(publicDir))
+  app.get('*', (_req, res) => res.sendFile(path.join(publicDir, 'index.html')))
+}
+
+// ─── Start ────────────────────────────────────────────────────────────────────
+app.listen(PORT, () => {
+  console.log(`✓ ShootTracker backend → http://localhost:${PORT}`)
+  console.log(`  Uploads : ${UPLOADS_DIR}`)
+  console.log(`  AI      : ${process.env.AI_SERVICE_URL || 'http://localhost:8000'}`)
+})
diff --git a/backend/src/routes/export.ts b/backend/src/routes/export.ts
index 9e9a2fb..b58f384 100644
--- a/backend/src/routes/export.ts
+++ b/backend/src/routes/export.ts
@@ -168,4 +168,5 @@ exportRouter.get('/excel', (req: AuthRequest, res) => {
   const filename = `shoottracker_${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: 
\ No newline at end of file
+  res.send(XLSX.write(wb, { type: 'buffer', bookType: 'xlsx' }))
+})
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
index dbf3fd5..8b918f5 100644
--- a/backend/tsconfig.json
+++ b/backend/tsconfig.json
@@ -16,3 +16,4 @@
   },
   "include": ["src/**/*"],
   "exclude": ["node_modules", "dist"]
+}
diff --git a/docker-compose.yml b/docker-compose.yml
index ddd2cec..904fdc0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -56,4 +56,13 @@ services:
       - yolo_models:/root/.config/Ultralytics
     healthcheck:
       test: ["CMD", "wget", "-qO-", "http://localhost:8000/health"]
-      interval: 
\ No newline at end of file
+      interval: 30s
+      timeout: 15s
+      retries: 3
+      start_period: 60s
+
+volumes:
+  shoottracker_data:
+    driver: local
+  yolo_models:
+    driver: local
diff --git a/frontend/package.json b/frontend/package.json
index 643fbdb..afec696 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 448279a..ec23fc9 100644
--- a/frontend/vite.config.ts
+++ b/frontend/vite.config.ts
@@ -47,4 +47,8 @@ export default defineConfig({
       '/uploads': { target: 'http://localhost:3001', changeOrigin: true }
     }
   },
-  build: 
\ No newline at end of file
+  build: {
+    outDir: 'dist',
+    sourcemap: false
+  }
+})