message: Log HTTP access into access.log (instead of console.log)
diff: @@ -113,7 +113,8 @@ app.use(cookieParser('kekse'))
  app.use(bodyParser.json())
  /* HTTP request logging */
  -app.use(morgan('dev'))
  +let accessLogStream = fs.createWriteStream(path.join(__dirname, 'access.log'), {flags: 'a'})
  +app.use(morgan('combined', {stream: accessLogStream}))
  /* Authorization */
  /* Baskets: Unauthorized users are not allowed to access baskets */
  