tes

package.json

 {
   "name": "my-app",
   "version": "0.1.0",
-  "homepage": "http://localhost:8080$REACT_APP_URL_MAIN_FE/",
+  "homepage": "http://localhost:8080${REACT_APP_URL_MAIN_FE}/",
   "private": true,
   "dependencies": {
     "@date-io/date-fns": "^1.3.13",