In the front-end angular configuration the build destination is set to ../../backend/public for front-pub, and ../../backend/public-admin for front-adm. Therefore, please place the backend project and frontend project at the same project root folder, as shown below:
Project root folder
|
------- backend
| |
| ------- public
| |
| ------- public-admin
|
|
------- frontend
|
------- front-pub
|
------- front-adm