improve: add production stage

package-lock.json

@@ -28,6 +28,7 @@
         "@babel/preset-react": "^7.25.9",
         "babel-loader": "^9.2.1",
         "css-loader": "^7.1.2",
+        "dotenv-webpack": "^8.1.0",
         "html-webpack-plugin": "^5.6.3",
         "sass": "^1.81.0",
         "sass-loader": "^16.0.3",
@@ -3611,6 +3612,39 @@
         "tslib": "^2.0.3"
       }
     },
+    "node_modules/dotenv": {
+      "version": "8.6.0",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-8.6.0.tgz",
+      "integrity": "sha512-IrPdXQsk2BbzvCBGBOTmmSH5SodmqZNt4ERAZDmW4CT+tL8VtvinqywuANaFu4bOMWki16nqf0e4oC0QIaDr/g==",
+      "dev": true,
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/dotenv-defaults": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/dotenv-defaults/-/dotenv-defaults-2.0.2.tgz",
+      "integrity": "sha512-iOIzovWfsUHU91L5i8bJce3NYK5JXeAwH50Jh6+ARUdLiiGlYWfGw6UkzsYqaXZH/hjE/eCd/PlfM/qqyK0AMg==",
+      "dev": true,
+      "dependencies": {
+        "dotenv": "^8.2.0"
+      }
+    },
+    "node_modules/dotenv-webpack": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/dotenv-webpack/-/dotenv-webpack-8.1.0.tgz",
+      "integrity": "sha512-owK1JcsPkIobeqjVrk6h7jPED/W6ZpdFsMPR+5ursB7/SdgDyO+VzAU+szK8C8u3qUhtENyYnj8eyXMR5kkGag==",
+      "dev": true,
+      "dependencies": {
+        "dotenv-defaults": "^2.0.2"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "peerDependencies": {
+        "webpack": "^4 || ^5"
+      }
+    },
     "node_modules/ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",