It an Orange HRM project with DDEV setup. Its not the actual source code. Its deployable release. You can start testing it with DDEV on local OR deploy on production.
Open a terminal and clone the repository.
$ git clone https://github.com/zeshanziya/orangehrm-latest.git
Change to the directory of repository.
$ cd orangehrm-latest
Start ddev project
$ ddev start
Congratulations! You can now access the orange hrms at: https://orangehrms.ddev.site.
Now follow the instruction on site to complete the setup.
Use the following database credentials
Host=db
Database=db
Username=db
Password=db
Port=3306