diff --git a/.env b/.env
new file mode 100644
index 0000000..9c35098
--- /dev/null
+++ b/.env
@@ -0,0 +1,2 @@
+VITE_PORT=3001
+TEXTS_API_URL=http://localhost:3000
\ No newline at end of file
diff --git a/backend/.env b/backend/.env
new file mode 100644
index 0000000..2d15c51
--- /dev/null
+++ b/backend/.env
@@ -0,0 +1,2 @@
+PORT=3000
+TEXTS_PATH=C:\src\patois\texts
\ No newline at end of file
diff --git a/backend/package-lock.json b/backend/package-lock.json
index d3c5b9a..da767b4 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -10,6 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "cors": "^2.8.5",
+        "dotenv": "^17.2.2",
         "express": "^4.18.2",
         "multer": "^1.4.5-lts.1"
       },
@@ -309,6 +310,18 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
+    "node_modules/dotenv": {
+      "version": "17.2.2",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.2.2.tgz",
+      "integrity": "sha512-Sf2LSQP+bOlhKWWyhFsn0UsfdK/kCWRv1iuA2gXAwt3dyNabr6QSj00I2V10pidqz69soatm9ZwZvpQMTIOd5Q==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/dunder-proto": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
diff --git a/backend/package.json b/backend/package.json
index e36f684..38191b3 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -8,16 +8,21 @@
     "start": "node server.js",
     "dev": "nodemon server.js"
   },
-  "keywords": ["patois", "franco-provençal", "api", "express"],
+  "keywords": [
+    "patois",
+    "franco-provençal",
+    "api",
+    "express"
+  ],
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "express": "^4.18.2",
     "cors": "^2.8.5",
+    "dotenv": "^17.2.2",
+    "express": "^4.18.2",
     "multer": "^1.4.5-lts.1"
   },
   "devDependencies": {
     "nodemon": "^3.0.1"
   }
 }
-
diff --git a/backend/server.js b/backend/server.js
index a4f94ed..2674953 100644
--- a/backend/server.js
+++ b/backend/server.js
@@ -3,12 +3,18 @@ import cors from 'cors'
 import fs from 'fs/promises'
 import path from 'path'
 import { fileURLToPath } from 'url'
+import dotenv from 'dotenv'
 
 const __filename = fileURLToPath(import.meta.url)
 const __dirname = path.dirname(__filename)
 
+/** Configuration dotenv
+ * Permet de charger les variables d'environnement depuis un fichier .env
+ * */
+dotenv.config()
+
 const app = express()
-const PORT = process.env.PORT || 3001
+const PORT = process.env.PORT
 
 // Middleware
 app.use(cors())
diff --git a/src/services/textService.js b/src/services/textService.js
index 2025507..23d1532 100644
--- a/src/services/textService.js
+++ b/src/services/textService.js
@@ -2,7 +2,7 @@
  * Service pour communiquer avec l'API backend des textes
  */
 
-const API_BASE_URL = import.meta.env.VITE_API_URL || 'http://localhost:3001/api'
+const API_BASE_URL = import.meta.env.TEXTS_API_URL
 
 export class TextService {
     constructor() {
diff --git a/start.bat b/start.bat
index 6d39c9c..d52b7dc 100644
--- a/start.bat
+++ b/start.bat
@@ -19,9 +19,6 @@ start "Frontend Vue.js" cmd /k "npm run dev"
 echo.
 echo ==============================================
 echo  Application demarree avec succes !
-echo.
-echo  Frontend: http://localhost:5173
-echo  API:      http://localhost:3001
 echo ==============================================
 echo.
 echo Fermez cette fenetre quand vous voulez arreter l'application.
diff --git a/vite.config.js b/vite.config.js
index bbcf80c..7f78eda 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -1,7 +1,13 @@
-import { defineConfig } from 'vite'
+import { defineConfig, loadEnv } from 'vite'
 import vue from '@vitejs/plugin-vue'
 
 // https://vite.dev/config/
-export default defineConfig({
-  plugins: [vue()],
+export default defineConfig(({ mode }) => {
+  const env = loadEnv(mode, process.cwd())
+  return {
+    plugins: [vue()],
+    server: {
+      port: parseInt(env.VITE_PORT) || 3001
+    }
+  }
 })