adds logger and starts logging errors

website/src/libs/api-v3/logger.js

@@ -0,0 +1,21 @@
+'use strict';
+
+// Logger utility
+// TODO remove winston-mail and winston-newrelic if not used
+let winston = require('winston');
+let nconf = require('nconf');
+
+// TODO use const? 
+// TODO move isProd to a single location
+let isProd = nconf.get('NODE_ENV') === 'production';
+
+let logger = new winston.Logger();
+
+if (isProd) {
+  // TODO production logging
+} else {
+  logger
+    .add(winston.transports.Console);
+}
+
+module.exports = logger;