arvindr21/express-winston-logger

express-winston-logger

Express Winston Logger with stats

Setup to log requests as well as custom message at different log levels to console as well as to file with stats.

Getting started

$ git clone [email protected]:arvindr21/express-winston-logger.git
$ cd express-winston-logger
$ npm install
$ node app.js

visit http://localhost:3000

Sample log file can be found at express-winston-logger/log/application-*.log. log folder is excluded from git. Sample output

{"message":"Server is running on http://localhost:3000","level":"info"}
{"level":"info","message":"GET / 200 0ms","meta":{}}
{"level":"info","message":"GET / 200 1ms","meta":{}}
{"level":"info","message":"GET / 200 0ms","meta":{}}
{"level":"info","message":"GET / 200 0ms","meta":{}}
{"level":"info","message":"GET / 200 0ms","meta":{}}
{"level":"info","message":"GET / 200 0ms","meta":{}}
{"level":"info","message":"GET / 200 1ms","meta":{}}
{"level":"info","message":"GET / 200 0ms","meta":{}}
{"level":"info","message":"GET /fail 404 2ms","meta":{}}
{"level":"info","message":"GET /fail 404 1ms","meta":{}}
{"level":"info","message":"GET /stats 200 2ms","meta":{}}

View stats

You can visit http://localhost:3000/stats to view request response stats. Sample output

{
    "uptime": 12217,
    "statusCodes":
    {
        "200": 8,
        "404": 2
    },
    "uuid": "7211ec59-1e29-4edc-94c0-4d6b560b618b",
    "pid": 19508,
    "totalTime": 4.548214,
    "averageTime": 0.4548214,
    "count": 10,
    "endpointStats":
    {
        "GET /":
        {
            "totalTime": 1.695694,
            "averageTime": 0.21196175,
            "count": 8,
            "statusCodes":
            {
                "200": 8
            }
        },
        "GET /fail":
        {
            "totalTime": 2.8525199999999997,
            "averageTime": 1.4262599999999999,
            "count": 2,
            "statusCodes":
            {
                "404": 2
            }
        }
    }
}