Sample storybook angular project configuration

angular.json

 "storybook": {
      "root": "",
      "sourceRoot": "src",
      "projectType": "application",
      "prefix": "app",
      "schematics": {},
      "architect": {
        "build": {
          "builder": "@angular-devkit/build-angular:browser",
          "options": {
            "outputPath": "dist",
            "index": "",
            "main": "",
            "polyfills": "",
            "tsConfig": "src/{{FOLDERNAME}}/tsconfig.lib.json",
            "assets": [
            ],
            "styles": [
              "node_modules/material-design-icons/iconfont/material-icons.css",
              "src/lib/styles.less"
            ],
            "scripts": [],
            "stylePreprocessorOptions": {
              "includePaths": [
                "src/lib/styles/common"
              ]
            }
          },
          "configurations": {
          }
        },
        "serve": {
          "builder": "@angular-devkit/build-angular:dev-server",
          "options": {
            "browserTarget": "storybook:build"
          }
        }
      }
    },

{{FOLDERNAME}} replace with your application / library name

Project name should be storybook