old_contents: "use strict";
  
  /*
  ** Import Packages
  */
  const server = require("express")();
  const bot_express = require("bot-express");
  
  /*
  ** Middleware Configuration
  */
  server.listen(process.env.PORT || 5000, () => {
      console.log("server is running...");
  });
  
  /*
  ** Mount bot-express
  */
  server.use("/bot/webhook", bot_express({
      language: "ja",
      messenger: {
          line: {
              channel_id: process.env.LINE_CHANNEL_ID,
              channel_secret: process.env.LINE_CHANNEL_SECRET
          },
          facebook: {
              app_secret: process.env.FACEBOOK_APP_SECRET,
              page_access_token: [
                  {page_id: process.env.FACEBOOK_PAGE_ID, page_access_token: process.env.FACEBOOK_PAGE_ACCESS_TOKEN}
              ],
          },
          google: {
              project_id: process.env.GOOGLE_PROJECT_ID
          }
      },
      nlu: {
          type: "dialogflow",
          options: {
              project_id: process.env.GOOGLE_PROJECT_ID,
              client_email: process.env.GOOGLE_CLIENT_EMAIL,
              private_key: process.env.GOOGLE_PRIVATE_KEY,
              language: "ja"
          }
      },
      parser: [{
          type: "dialogflow",
          options: {
              project_id: process.env.GOOGLE_PROJECT_ID,
              client_email: process.env.GOOGLE_CLIENT_EMAIL,
              private_key: process.env.GOOGLE_PRIVATE_KEY,
              language: "ja"
          }
      }],
      memory: {
          type: "memory-cache",
          retention: Number(process.env.MEMORY_RETENTION)
      },
      translator: {
          type: "google",
          enable_lang_detection: false,
          enable_translation: false,
          options: {
              project_id: process.env.GOOGLE_PROJECT_ID,
              client_email: process.env.GOOGLE_CLIENT_EMAIL,
              private_key: process.env.GOOGLE_PRIVATE_KEY
          }
      },
      default_skill: process.env.DEFAULT_SKILL
  }));
  
  module.exports = server;
  
new_contents: "use strict";
  
  /*
  ** Import Packages
  */
  const server = require("express")();
  const bot_express = require("bot-express");
  
  /*
  ** Middleware Configuration
  */
  server.listen(process.env.PORT || 5000, () => {
      console.log("server is running...");
  });
  
  /*
  ** Mount bot-express
  */
  server.use("/bot/webhook", bot_express({
      language: "ja",
      messenger: {
          line: {
              channel_id: process.env.LINE_CHANNEL_ID,
              channel_secret: process.env.LINE_CHANNEL_SECRET
          },
          facebook: {
              app_secret: process.env.FACEBOOK_APP_SECRET,
              page_access_token: [
                  {page_id: process.env.FACEBOOK_PAGE_ID, page_access_token: process.env.FACEBOOK_PAGE_ACCESS_TOKEN}
              ],
          },
          google: {
              project_id: process.env.GOOGLE_PROJECT_ID
          }
      },
      nlu: {
          type: "dialogflow",
          options: {
              project_id: process.env.GOOGLE_PROJECT_ID,
              client_email: process.env.GOOGLE_CLIENT_EMAIL,
              private_key: process.env.GOOGLE_PRIVATE_KEY,
              language: "ja"
          }
      },
      parser: [{
          type: "dialogflow",
          options: {
              project_id: process.env.GOOGLE_PROJECT_ID,
              client_email: process.env.GOOGLE_CLIENT_EMAIL,
              private_key: process.env.GOOGLE_PRIVATE_KEY,
              language: "ja"
          }
      }],
      memory: {
          type: "memory-cache",
          retention: Number(process.env.MEMORY_RETENTION)
      },
      translator: {
          type: "google",
          enable_lang_detection: false,
          enable_translation: false,
          options: {
              project_id: process.env.GOOGLE_PROJECT_ID,
              client_email: process.env.GOOGLE_CLIENT_EMAIL,
              private_key: process.env.GOOGLE_PRIVATE_KEY
          }
      },
      skill: {
          defualt: process.env.DEFAULT_SKILL
      }
  }));
  
  module.exports = server;
  
subject: Fix index.js template