Added winston for logging

config/winston.js

@@ -0,0 +1,40 @@
+var appRoot = require('app-root-path');
+var winston = require('winston');
+
+// define the custom settings for each transport (file, console)
+var options = {
+    file: {
+        level: 'info',
+        filename: `${appRoot}/logs/app.log`,
+        handleExceptions: true,
+        json: true,
+        maxsize: 5242880, // 5MB
+        maxFiles: 5,
+        colorize: false,
+    },
+    console: {
+        level: 'debug',
+        handleExceptions: true,
+        json: false,
+        colorize: true,
+    },
+};
+
+// instantiate a new Winston Logger with the settings defined above
+var logger = new winston.Logger({
+    transports: [
+        new winston.transports.File(options.file),
+        new winston.transports.Console(options.console)
+    ],
+    exitOnError: false, // do not exit on handled exceptions
+});
+
+// create a stream object with a 'write' function that will be used by `morgan`
+logger.stream = {
+    write: function(message, encoding) {
+        // use the 'info' log level so the output will be picked up by both transports (file and console)
+        logger.info(message);
+    },
+};
+
+module.exports = logger;