Logging in express js to a output file?

Question

What is best way to log my express js webserver? The inbuilt express.logger() just displays logs on screen. Can I also log them into a file in /log folder? Also the current

Answer 1

Use log4js:

var log4js = require('log4js');
log4js.configure({
    appenders: [{type: 'console'},
                {type: 'file', filename: 'express.log', category: 'dev'}]
});

var logger = log4js.getLogger('dev');
logger.setLevel('DEBUG');

app.use(log4js.connectLogger(logger, {level: log4js.levels.DEBUG}));