diff --git a/src/back/buildApp.js b/src/back/buildApp.js
index 759e8a3..0af6989 100644
--- a/src/back/buildApp.js
+++ b/src/back/buildApp.js
@@ -1,17 +1,15 @@
+const CONSTANTS = require("./constants");
+
 const buildApp = () => {
   const express = require("express");
-  const path = require("path");
 
   const app = express();
 
-  const STATIC_DIR_PATH = path.join(__dirname, "../", "../", "dist");
-  const INDEX_PATH = path.join(STATIC_DIR_PATH, "src", "front", "index.html");
-
   app.use(express.json());
-  app.use(express.static(STATIC_DIR_PATH));
+  app.use(express.static(CONSTANTS.PATHS.STATIC_DIR_PATH));
 
   app.get("/", (request, response) => {
-    response.sendFile(INDEX_PATH);
+    response.sendFile(CONSTANTS.PATHS.INDEX_PATH);
   });
 
   return app;
diff --git a/src/back/constants.js b/src/back/constants.js
new file mode 100644
index 0000000..270137a
--- /dev/null
+++ b/src/back/constants.js
@@ -0,0 +1,14 @@
+const path = require("path");
+
+const CONSTANTS = {};
+
+CONSTANTS.PATHS = {};
+CONSTANTS.PATHS.STATIC_DIR_PATH = path.join(__dirname, "../", "../", "dist");
+CONSTANTS.PATHS.INDEX_PATH = path.join(
+  CONSTANTS.PATHS.STATIC_DIR_PATH,
+  "src",
+  "front",
+  "index.html"
+);
+
+module.exports = CONSTANTS;