PiaLab is based on PIA but the backend has been rewritten in PHP/Symfony so this Angular app is not compatible with the PIA ruby backend.
First things first, you need to set up the backend in order to use PiaLab.
Once ready
Install Angular cli via NPM
npm install -g @angular/cli
Clone project
git clone git://git.pialab.io/pialab/pialab.git
cd pialab
Install project dependencies
npm install
Create configuration file
cp src/environments/environment.dev.ts.example src/environments/environment.dev.ts
and fill your API credentials
Run ng serve
then visit localhost:4200