tsconfig.server.json

{
    "extends": "../tsconfig.json",
    "compilerOptions": {
      "outDir": "../out-tsc/app",
      "baseUrl": "./",
      "module": "commonjs",
      "types": []
    },
    "exclude": [
      "test.ts",
      "**/*.spec.ts"
    ],
    "angularCompilerOptions": {
      "entryModule": "./app/app.server.module#AppServerModule"
    }
}