diff --git a/frontend/env.js b/frontend/env.js
new file mode 100644
index 00000000..e5aaee53
--- /dev/null
+++ b/frontend/env.js
@@ -0,0 +1,30 @@
+const fs = require("fs");
+
+const data = {
+  test: {
+    REACT_APP_IDP_URL: "https://dev-is.stamacasa.ro",
+    REACT_APP_URL: "http://localhost:3000",
+    REACT_APP_API_URL: "https://dev-api.stamacasa.ro"
+  },
+  development: {
+    REACT_APP_IDP_URL: "http://localhost:5001",
+    REACT_APP_URL: "http://localhost:3000",
+    REACT_APP_API_URL: "http://localhost:5008"
+  }
+};
+
+const env = process.env.NODE_ENV || "development";
+
+const content = `window._env_ = {
+  REACT_APP_IDP_URL: "${data[env].REACT_APP_IDP_URL}",
+  REACT_APP_URL: "${data[env].REACT_APP_URL}",
+  REACT_APP_API_URL: "${data[env].REACT_APP_API_URL}",
+  CLIENT_ID: "js"
+};`;
+
+try {
+  fs.writeFileSync("./public/env-config.js", content);
+  console.info("🚀 File `env-config.js` written successfully");
+} catch (err) {
+  console.error(err);
+}
diff --git a/frontend/package.json b/frontend/package.json
index 6cd8c1de..fc615c38 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -23,6 +23,7 @@
   "scripts": {
     "start": "react-scripts start",
     "build": "react-scripts build",
+    "build-test": "NODE_ENV=test node env.js && npm run build",
     "test": "react-scripts test",
     "eject": "react-scripts eject",
     "lint": "eslint ./src --ext .js,.jsx,.ts,.tsx",