morgan access log config

morgan_access_log.js

var fs = require('fs');
var app = express();
var logger = require('morgan');
var FileStreamRotator = require('file-stream-rotator');

var logDirectory = config.access_log_path;
 
// ensure log directory exists 
fs.existsSync(logDirectory) || fs.mkdirSync(logDirectory)
 
// create a rotating write stream 
var accessLogStream = FileStreamRotator.getStream({
  date_format: 'YYYYMMDD',
  filename: logDirectory + '/access-%DATE%.log',
  frequency: 'daily',
  verbose: false
})

app.use(logger('tiny', {stream: accessLogStream}));