feat(config): add default config values in js code

src/config/constants.js

@@ -0,0 +1,33 @@
+/*
+ *  *******************************************************************************
+ *  * Copyright (c) 2019 Edgeworx, Inc.
+ *  *
+ *  * This program and the accompanying materials are made available under the
+ *  * terms of the Eclipse Public License v. 2.0 which is available at
+ *  * http://www.eclipse.org/legal/epl-2.0
+ *  *
+ *  * SPDX-License-Identifier: EPL-2.0
+ *  *******************************************************************************
+ *
+ */
+
+module.exports = {
+  'App:Name': 'iofog-controller',
+
+  'Server:Port': 54421,
+  'Server:DevMode': false,
+
+  'Email:ActivationEnabled': false,
+  'Email:HomeUrl': 'https://iofog.org',
+
+  'Service:LogsDirectory': '/var/log/iofog-controller',
+  'Service:LogsFileSize': 1048576,
+
+  'Settings:DefaultJobIntervalSeconds': 120,
+  'Settings:UserTokenExpirationIntervalSeconds': 3600,
+  'Settings:FogTokenExpirationIntervalSeconds': 3600,
+  'Settings:FogStatusUpdateIntervalSeconds': 120,
+  'Settings:FogStatusFrequencySeconds': 60,
+
+  'Diagnostics:DiagnosticDir': 'diagnostic',
+}

src/config/index.js

@@ -13,6 +13,7 @@
 
 const nconf = require('nconf')
 const path = require('path')
+const constants = require('./constants');
 
 class Config {
   constructor() {
@@ -22,7 +23,7 @@ class Config {
   }
 
   get(key) {
-    return nconf.get(key)
+    return nconf.get(key) || constants[key]
   }
 
   set(key, value) {