updates on the builded changes

config-overrides.js

@@ -1,7 +1,28 @@
 const webpack = require('webpack');
 const WorkBoxPlugin = require('workbox-webpack-plugin');
 
+// Fail the build loudly when an API base is missing, instead of emitting a
+// bundle in which every request URL is the string "undefined/orders/..." —
+// a relative path that silently resolves against whatever host the console is
+// served from. That produced a deploy where the API base appeared to be the
+// front-end's own origin. Only enforced for production builds; `npm start`
+// is left alone.
+const REQUIRED_PROD_ENV = ['REACT_APP_URL', 'REACT_APP_URL2'];
+
+function assertRequiredEnv() {
+  if (process.env.NODE_ENV !== 'production') return;
+  const missing = REQUIRED_PROD_ENV.filter((k) => !process.env[k]);
+  if (!missing.length) return;
+  throw new Error(
+    `\n\nBuild aborted — missing required environment variable(s): ${missing.join(', ')}.\n` +
+      'Define them in .env (loaded by every build) or build via `npm run build:staging` / `build:dev`,\n' +
+      'which load .env.staging / .env.development through env-cmd.\n'
+  );
+}
+
 module.exports = function override(config) {
+  assertRequiredEnv();
+
   config.resolve.fallback = {
     process: require.resolve('process/browser'),
     // zlib: require.resolve('browserify-zlib'),