angular.json

{
  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
  "version": 1,
  "newProjectRoot": "",
  "projects": {
    "web": {
      "projectType": "application",
      ...
      },
      "root": "apps/web",
      "sourceRoot": "apps/web/src",
      "prefix": "app",
      "architect": {
        "build": {
          "builder": "@angular-builders/custom-webpack:browser",
          "options": {
            ...
            "index": "apps/web/src/index.html",
            "main": "apps/web/src/main.ts",
            ...
          },
          ...
        ...
      }
    },
    ...
  }
}