old_contents: 
  var path = require('path');
  // db config
  exports.app = {
    port: 4000
  }
  
  exports.db = {
    host: "localhost",
    port: "27017",
    dbName: "yyper",
    options: {}
  }
  
  exports.post = {
    postDir: path.join(process.cwd(),'posts'),
    configFileName: 'postfile.json',
  }
  
  exports.session = {
    key: "",
    secret: ""
  }
  
  exports.cookie = {
  
  }
  
  exports.flexCombo = {
    options:{
      rootdir: path.join(__dirname, 'public'),
      filter: {
        "[\\.-]min\\.js$": ".min.js",
        "[\\.-]min\\.css$": ".min.css"
      },
      //supportedFIle: '\\.map',
      "charset": "utf-8",
      urls:{
      }
    }
  }
  
new_contents: 
  var path = require('path');
  
  var dev = {}
  var pro = {}
  if (process.env.NODE_ENV == 'development'){
    module.exports = dev
  } else {
    module.exports = pro
  }
  
  // db config
  pro.app = {
    port: 80
  }
  
  dev.app = {
    port: 4000
  }
  
  
  pro.db = dev.db = {
    host: "localhost",
    port: "27017",
    dbName: "yyper",
    options: {}
  }
  
  pro.post = dev.post = {
    postDir: path.join(process.cwd(),'posts'),
    configFileName: 'postfile.json',
  }
  
  pro.session = dev.session = {
    key: "",
    secret: ""
  }
  
  pro.cookie =  dev.cookie = {
  
  }
  
  pro.flexCombo = dev.flexCombo = {
    options:{
      rootdir: path.join(__dirname, 'public'),
      filter: {
        "[\\.-]min\\.js$": ".min.js",
        "[\\.-]min\\.css$": ".min.css"
      },
      //supportedFIle: '\\.map',
      "charset": "utf-8",
      urls:{
      }
    }
  }
  
subject: add pro settings for app