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

app.configure(configuration());
// ! code: init_config
app.set('generatorSpecs', generatorSpecs);
// !end

// Enable security, CORS, compression, favicon and body parsing
app.use(helmet(
  // !code: helmet_config // !end
));
app.use(cors(
  // !code: cors_config // !end
));
app.use(compress(
  // !code: compress_config // !end
));
app.use(express.json(
  // !code: json_config // !end
));
app.use(express.urlencoded(
  // ! code: urlencoded_config
  { extended: true }
  // !end
));
// ! code: use_favicon
// Use favicon
app.use(favicon(path.join(app.get('public'), 'favicon.ico')));
// !end
// ! code: use_static
// Host the public folder
app.use('/', express.static(app.get('public')));
// !end
// !code: use_end // !end

app.configure(configuration());
// ! code: init_config
app.set('generatorSpecs', generatorSpecs);
// !end

// Enable security, CORS, compression, favicon and body parsing
app.use(helmet(
  // !code: helmet_config // !end
));
app.use(cors(
  // !code: cors_config // !end
));
app.use(compress(
  // !code: compress_config // !end
));
app.use(express.json(
  // !code: json_config // !end
));
app.use(express.urlencoded(
  // ! code: urlencoded_config
  { extended: true }
  // !end
));
// ! code: use_favicon
// Use favicon
app.use(favicon(path.join(app.get('public'), 'favicon.ico')));
// !end
// ! code: use_static
// Host the public folder
app.use('/', express.static(app.get('public')));
// !end
// !code: use_end // !end

// !code: init // !end

const app = express(feathers());
// !code: use_start // !end

// Load app configuration
app.configure(configuration());
// ! code: init_config
app.set('generatorSpecs', generatorSpecs);
// !end

// Enable security, CORS, compression, favicon and body parsing
app.use(helmet());
app.use(cors());
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')));
// !code: use_end // !end

// Set up Plugins and providers
// !code: config_start // !end
app.configure(express.rest());
app.configure(socketio());


// Configure other middleware (see `middleware/index.ts`)
app.configure(middleware);
// Configure authentication (see `authentication.ts`)
app.configure(authentication);

// !code: init // !end

const app = express(feathers());
// !code: use_start // !end

// Load app configuration
app.configure(configuration());
// ! code: init_config
app.set('generatorSpecs', generatorSpecs);
// !end

// Enable security, CORS, compression, favicon and body parsing
app.use(helmet());
app.use(cors());
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')));
// !code: use_end // !end

// Set up Plugins and providers
// !code: config_start // !end
app.configure(express.rest());
app.configure(socketio());

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

// Configure other middleware (see `middleware/index.js`)
app.configure(middleware);

app.configure(configuration());
// ! code: init_config
app.set('generatorSpecs', generatorSpecs);
// !end

// Enable security, CORS, compression, favicon and body parsing
app.use(helmet(
  // !code: helmet_config // !end
));
app.use(cors(
  // !code: cors_config // !end
));
app.use(compress(
  // !code: compress_config // !end
));
app.use(express.json(
  // !code: json_config // !end
));
app.use(express.urlencoded(
  // ! code: urlencoded_config
  { extended: true }
  // !end
));
// ! code: use_favicon
// Use favicon
app.use(favicon(path.join(app.get('public'), 'favicon.ico')));
// !end
// ! code: use_static
// Host the public folder
app.use('/', express.static(app.get('public')));
// !end
// !code: use_end // !end

const appHooks = require('./app.hooks');
const channels = require('./channels');

const authentication = require('./authentication');

const mongoose = require('./mongoose');

const app = express(feathers());

// Load app configuration
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')));

// Set up Plugins and providers
app.configure(express.rest());
app.configure(socketio());

app.configure(mongoose);

// Configure other middleware (see `middleware/index.js`)
app.configure(middleware);
app.configure(authentication);
// Set up our services (see `services/index.js`)
app.configure(services);

import middleware from './middleware';
import services from './services';
import appHooks from './app.hooks';
import channels from './channels';
import authentication from './authentication';
// Don't remove this comment. It's needed to format import lines nicely.

const app: Application = express(feathers());

// Load app configuration
app.configure(configuration());
// Enable security, CORS, compression, favicon and body parsing
app.use(helmet());
app.use(cors());
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')));

// Set up Plugins and providers
app.configure(express.rest());
app.configure(socketio());
app.configure(
  swagger({
    docsPath: '/api/docs',
    uiIndex: true,
    specs: {
      info: {
        title: 'Home Panel API',
        description: 'API for Home Panel',

function configureFeathers() {

    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;
}

const app = feathersExpress(feathers());

const feathersServiceDummy   = {
    get  : () => {
        return Promise.resolve({});
    },
    find : () => {
        return Promise.resolve([{}, {}]);
    }
};
const expressMiddlewareDummy = (req: express.Request, res: express.Response, next: express.NextFunction) => {
    next();
    return app;
};

app.use(express.json());
app.use(express.urlencoded({extended : true}));
app.use('/', express.static('./public'));
app.use('/', expressMiddlewareDummy, feathersServiceDummy);
app.configure(express.rest());
app.use(express.notFound());
app.use(express.errorHandler({logger : console}));

app.MESSAGE = FrontLess.MESSAGE;
app.PARSE = FrontLess.PARSE;
api.PARSE = FrontLess.PARSE;
app.UPDATE = FrontLess.UPDATE;
api.UPDATE = FrontLess.UPDATE;

const sessionMiddleware = session({
  secret: 'keyboard cat',
  resave: false,
  saveUninitialized: true,
  cookie: {secure: false},
})

app.use(cors());
app.use(sessionMiddleware);
app.use(express.json());
app.use(express.urlencoded({extended: true}));
app.configure(express.rest());
app.configure(socketio({}, function(io) {
  io.use(function(socket, next) {
    sessionMiddleware(socket.request, socket.request.res, next);
  });
  io.use(function(socket, next) {
    socket.feathers.request = socket.request;
    next();
  });
}));
app.configure(authentication({
  session: true,
  secret: '123sd234sdfsdf',
  service: 'users',
}));