diff --git a/webapp/.eslintrc.cjs b/webapp/.eslintrc.cjs
index 8a4e508acb..29270da704 100644
--- a/webapp/.eslintrc.cjs
+++ b/webapp/.eslintrc.cjs
@@ -12,10 +12,17 @@ module.exports = {
     "plugin:react/jsx-runtime",
     "plugin:react-hooks/recommended",
     "plugin:jsdoc/recommended-typescript",
-    "plugin:prettier/recommended",
+    "plugin:prettier/recommended", // Must be the last one
+  ],
+  plugins: [
+    "license-header",
+    "react-refresh",
+  ],
+  ignorePatterns: [
+    "dist", 
+    "license-header.js", 
+    ".eslintrc.cjs",
   ],
-  plugins: ["react-refresh"],
-  ignorePatterns: ["dist", ".eslintrc.cjs"],
   parser: "@typescript-eslint/parser",
   parserOptions: {
     // `ecmaVersion` is automatically sets by `esXXXX` in `env`
@@ -48,6 +55,7 @@ module.exports = {
     "jsdoc/require-jsdoc": "off",
     "jsdoc/require-hyphen-before-param-description": "warn",
     "jsdoc/tag-lines": ["warn", "any", { startLines: 1 }], // Expected 1 line after block description
+    "license-header/header": ["error", "license-header.js"],
     "no-console": "warn",
     "no-param-reassign": [
       "error",
diff --git a/webapp/.prettierignore b/webapp/.prettierignore
new file mode 100644
index 0000000000..f8b474f9c3
--- /dev/null
+++ b/webapp/.prettierignore
@@ -0,0 +1 @@
+license-header.js
diff --git a/webapp/package-lock.json b/webapp/package-lock.json
index c326297735..a829e29345 100644
--- a/webapp/package-lock.json
+++ b/webapp/package-lock.json
@@ -100,6 +100,7 @@
         "eslint": "8.55.0",
         "eslint-config-prettier": "9.0.0",
         "eslint-plugin-jsdoc": "48.2.0",
+        "eslint-plugin-license-header": "0.6.1",
         "eslint-plugin-prettier": "5.0.0",
         "eslint-plugin-react": "7.33.2",
         "eslint-plugin-react-hooks": "4.6.0",
@@ -6754,6 +6755,15 @@
         "eslint": "^7.0.0 || ^8.0.0 || ^9.0.0"
       }
     },
+    "node_modules/eslint-plugin-license-header": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-license-header/-/eslint-plugin-license-header-0.6.1.tgz",
+      "integrity": "sha512-9aIz8q3OaMr1/uQmCGCWySjTs5nEXUJexNegz/8lluNcZbEl82Ag1Vyr1Hu3oIveRW1NbXDPs6nu4zu9mbrmWA==",
+      "dev": true,
+      "dependencies": {
+        "requireindex": "^1.2.0"
+      }
+    },
     "node_modules/eslint-plugin-prettier": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/eslint-plugin-prettier/-/eslint-plugin-prettier-5.0.0.tgz",
@@ -11604,6 +11614,15 @@
         "node": ">=0.10"
       }
     },
+    "node_modules/requireindex": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/requireindex/-/requireindex-1.2.0.tgz",
+      "integrity": "sha512-L9jEkOi3ASd9PYit2cwRfyppc9NoABujTP8/5gFcbERmo5jUoAKovIC3fsF17pkTnGsrByysqX+Kxd2OTNI1ww==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.5"
+      }
+    },
     "node_modules/requires-port": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
diff --git a/webapp/package.json b/webapp/package.json
index 0cac1710ac..7f535f238a 100644
--- a/webapp/package.json
+++ b/webapp/package.json
@@ -106,6 +106,7 @@
     "eslint": "8.55.0",
     "eslint-config-prettier": "9.0.0",
     "eslint-plugin-jsdoc": "48.2.0",
+    "eslint-plugin-license-header": "0.6.1",
     "eslint-plugin-prettier": "5.0.0",
     "eslint-plugin-react": "7.33.2",
     "eslint-plugin-react-hooks": "4.6.0",
diff --git a/webapp/src/vite-env.d.ts b/webapp/src/vite-env.d.ts
deleted file mode 100644
index 53c83e842c..0000000000
--- a/webapp/src/vite-env.d.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- * Copyright (c) 2024, RTE (https://www.rte-france.com)
- *
- * See AUTHORS.txt
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * SPDX-License-Identifier: MPL-2.0
- *
- * This file is part of the Antares project.
- */
-
-/// <reference types="vite/client" />
diff --git a/webapp/tsconfig.json b/webapp/tsconfig.json
index 3a20f675ad..c9e8d32271 100644
--- a/webapp/tsconfig.json
+++ b/webapp/tsconfig.json
@@ -2,7 +2,11 @@
   "compilerOptions": {
     "target": "es2022",
     "useDefineForClassFields": true,
-    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "lib": [
+      "ES2022", 
+      "DOM", 
+      "DOM.Iterable",
+    ],
     "module": "ESNext",
     "skipLibCheck": true,
 
@@ -13,7 +17,11 @@
     "isolatedModules": true,
     "noEmit": true,
     "jsx": "react-jsx",
-    "types": ["vitest/globals", "vitest/jsdom"],
+    "types": [
+      "vite/client",
+      "vitest/globals",
+      "vitest/jsdom",
+    ],
 
     /* Linting */
     "strict": true,
diff --git a/webapp/tsconfig.node.json b/webapp/tsconfig.node.json
index b1b8569880..15b8ba2c14 100644
--- a/webapp/tsconfig.node.json
+++ b/webapp/tsconfig.node.json
@@ -5,7 +5,10 @@
     "module": "ESNext",
     "moduleResolution": "bundler",
     "allowSyntheticDefaultImports": true,
-    "types": ["vitest/globals", "vitest/jsdom"]
+    "types": [
+      "vitest/globals",
+      "vitest/jsdom",
+    ]
   },
   "include": ["vite.config.ts"]
 }
diff --git a/webapp/vite.config.ts b/webapp/vite.config.ts
index 1dfeadfd8a..8dac6c2f4e 100644
--- a/webapp/vite.config.ts
+++ b/webapp/vite.config.ts
@@ -1,4 +1,17 @@
-/// <reference types="vitest" />
+/**
+ * Copyright (c) 2024, RTE (https://www.rte-france.com)
+ *
+ * See AUTHORS.txt
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This file is part of the Antares project.
+ */
+
 import { defineConfig } from "vite";
 import react from "@vitejs/plugin-react-swc";