express-logger

Logger utils and middleware build upon winstonjs, severity levels is syslog based.

Test

$ npm test

configuration

• process.env.LOG_FORMAT e.g pretty to generate human readable logs
• process.env.LOG_LEVEL e.g debug, default is info or debug based on your NODE_ENV
• process.env.LOG_SUPPRESS with value true to suppress all logs (when you run some test, maybe)

Usage

• logger object is available globally, and it provide syslog levels { emerg: 0, alert: 1, crit: 2, error: 3, warning: 4, notice: 5, info: 6, debug: 7 }.

• middleware

  • XRequestId()

    express req.id will be read from req.headers['x-request-id'] and concatenated with the package name or new one is created for this request, and it will be available in request response headers as x-request-id.

    var XRequestId      = require('exwml').XRequestId;
    var app = express();
    app.use(XRequestId());

  • expressWinston()

    log all details about any incoming request such as headers, params, responseTime ...

    var expressWinston      = require('exwml').expressWinston;
    var app = express();
    app.use(expressWinston());

security

• meta object keys (case insensitive) ['password', 'pwd', 'auth', 'authorization', 'cfg'] will be REDACTED