How to use the @feathersjs/express.errorHandler function in @feathersjs/express

// Configure database adapters
app.configure(mongoose);

// Configure other middleware (see `middleware/index.js`)
app.configure(middleware);
// Configure authentication (see `authentication.js`)
app.configure(authentication);
// Set up our services (see `services/index.js`)
app.configure(services);
// Set up event channels (see channels.js)
app.configure(channels);
// !code: config_middle // !end

// Configure a middleware for 404s and the error handler
app.use(express.notFound());
app.use(express.errorHandler({ logger }));
// !code: config_end // !end

app.hooks(appHooks);

const moduleExports = app;
// !code: exports // !end
module.exports = moduleExports;

// !code: funcs // !end
// !code: end // !end

// Configure database adapters
app.configure(mongodb);

// Configure other middleware (see `middleware/index.ts`)
app.configure(middleware);
// Configure authentication (see `authentication.ts`)
app.configure(authentication);
// Set up our services (see `services/index.ts`)
app.configure(services);
// Set up event channels (see channels.ts)
app.configure(channels);
// !code: config_middle // !end

// Configure a middleware for 404s and the error handler
app.use(express.notFound());
app.use(express.errorHandler({ logger }));
// !code: config_end // !end

app.hooks(appHooks);

const moduleExports = app;
// !code: exports // !end
export default moduleExports;

// !code: funcs // !end
// !code: end // !end

// !code: express_socketio // !end
));
// Configure database adapters
app.configure(mongodb);

// Configure other middleware (see `middleware/index.js`)
app.configure(middleware);
// Set up our services (see `services/index.js`)
app.configure(services);
// Set up event channels (see channels.js)
app.configure(channels);
// !code: config_middle // !end

// Configure a middleware for 404s and the error handler
app.use(express.notFound());
app.use(express.errorHandler({ logger }));
// !code: config_end // !end

app.hooks(appHooks);

const moduleExports = app;
// !code: exports // !end
module.exports = moduleExports;

// !code: funcs // !end
// !code: end // !end

// Configure database adapters
app.configure(sequelize);

// Configure other middleware (see `middleware/index.ts`)
app.configure(middleware);
// Configure authentication (see `authentication.ts`)
app.configure(authentication);
// Set up our services (see `services/index.ts`)
app.configure(services);
// Set up event channels (see channels.ts)
app.configure(channels);
// !code: config_middle // !end

// Configure a middleware for 404s and the error handler
app.use(express.notFound());
app.use(express.errorHandler({ logger }));
// !code: config_end // !end

app.hooks(appHooks);

const moduleExports = app;
// !code: exports // !end
export default moduleExports;

// !code: funcs // !end
// !code: end // !end

app.configure(socketio());


// Configure other middleware (see `middleware/index.js`)
app.configure(middleware);
// Set up our services (see `services/index.js`)
app.configure(services);
// Set up event channels (see channels.js)
app.configure(channels);
// Configure authentication (see `authentication.js`)
app.configure(authentication);
// !code: config_middle // !end

// Configure a middleware for 404s and the error handler
app.use(express.notFound());
app.use(express.errorHandler({ logger }));
// !code: config_end // !end

app.hooks(appHooks);

const moduleExports = app;
// !code: exports // !end
module.exports = moduleExports;

// !code: funcs // !end
// !code: end // !end

));
app.configure(socketio(
  // !code: express_socketio // !end
));

// Configure other middleware (see `middleware/index.js`)
app.configure(middleware);
// Set up our services (see `services/index.js`)
app.configure(services);
// Set up event channels (see channels.js)
app.configure(channels);
// !code: config_middle // !end

// Configure a middleware for 404s and the error handler
app.use(express.notFound());
app.use(express.errorHandler({ logger }));
// !code: config_end // !end

app.hooks(appHooks);

const moduleExports = app;
// !code: exports // !end
module.exports = moduleExports;

// !code: funcs // !end
// !code: end // !end

.use(bodyParser.urlencoded({ extended: true }))

app.set('knex', knex)

// Create service
app.use('/todos', createService({
  model: createModel(app),
  id: 'id',
  paginate: {
    default: 2,
    max: 4
  }
}))

// Handle Errors
app.use(errorHandler())

// Start the server
module.exports = app.listen(3030)

console.log('Feathers Todo Objection service running on 127.0.0.1:3030')

const feathers = require("@feathersjs/feathers");
    const express = require("@feathersjs/express");

    const app = express(feathers());

    // Turn on JSON body parsing for REST services
    app.use(express.json());

    // Turn on URL-encoded body parsing for REST services
    app.use(express.urlencoded({ extended: true }));

    // Set up REST transport using Express
    app.configure(express.rest());

    // Set up an error handler that gives us nicer errors
    app.use(express.errorHandler());

    return app;
}

// Configure database adapters
app.configure(mongoose);

// Configure other middleware (see `middleware/index.js`)
app.configure(middleware);
// Set up our services (see `services/index.js`)
app.configure(services);
// Set up event channels (see channels.js)
app.configure(channels);
// Configure authentication (see `authentication.js`)
app.configure(authentication);
// !code: config_middle // !end

// Configure a middleware for 404s and the error handler
app.use(express.notFound());
app.use(express.errorHandler({ logger }));
// !code: config_end // !end

app.hooks(appHooks);

const moduleExports = app;
// !code: exports // !end
module.exports = moduleExports;

// !code: funcs // !end
// !code: end // !end

app.configure(configuration());
// Enable CORS, security, compression, favicon and body parsing
app.use(cors());
app.use(helmet());
app.use(compress());
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(favicon(path.join(app.get('public'), 'favicon.ico')));
// Host the public folder
app.use('/', express.static(app.get('public')));

app.configure(express.rest());
app.configure(socketio());
app.configure(distribution({
	hooks: { before: { all: [authenticate('jwt')] } },
	middlewares: { after: express.errorHandler() }
}));

// Configure other middleware (see `middleware/index.js`)
app.configure(middleware);
app.configure(authentication);
// Set up our services (see `services/index.js`)
app.configure(services);
// Set up channels
app.configure(channels);
// Configure a middleware for 404s and the error handler
// FIXME: this does not allow to declare remote services after the app has been launched
// Indeed this middleware is hit first...
//app.use(express.notFound());
//app.use(express.errorHandler());

app.hooks(appHooks);