Clone the repo

create a new backend

nest new apps/backend2 --skip-git

update nest.js tsconfig.json file with

{
  "extends": ["tsconfig/nest.json"]
}

add tsconfig: 'workspace:*' in package.json file inside newly created nest app

{
    ...
    "devDependencies": {
        ...,
        "tsconfig": "workspace:*"
    }
}

Also change start:dev to dev in newly created app package.json

{
    "scripts": {
        ...,
        "dev": "nest start --watch"
    }
}

And finally add it in nest-cli.json in root folder

{
    "projects": [
        ...,
        "backend2": {
            "type": "application",
            "root": "apps/backend2",
            "entryFile": "main",
            "sourceRoot": "apps/backend2/src",
            "compilerOptions": {
                "tsConfigPath": "apps/backend2/tsconfig.app.json"
            }
        }
    ]
}

Create a new angular app

cd apps && ng new frontend2

Update tsconfig.json and extends with `tsconfig/angular.json` .