git.squeep.com Git - websub-hub/blob - server.js

   1 'use strict';
   2
   3 const http = require('http');
   4 const DB = require('./src/db');
   5 const Logger = require('./src/logger');
   6 const Service = require('./src/service');
   7 const Config = require('./config');
   8 const { fileScope } = require('./src/common');
   9 const { version } = require('./package.json');
  10
  11 const _scope = fileScope(__filename)('main');
  12
  13 const PORT = process.env.PORT || 4001;
  14 const ADDR = process.env.LISTEN_ADDR || '127.0.0.1';
  15
  16 (async function main () {
  17   let config, logger, db, service;
  18   try {
  19     config = new Config(process.env.NODE_ENV);
  20     logger = new Logger(config);
  21     db = new DB(logger, config);
  22     await db.initialize();
  23     service = new Service(logger, db, config);
  24
  25     http.createServer((req, res) => {
  26       service.dispatch(req, res);
  27     }).listen(PORT, ADDR, (err) => {
  28       if (err) {
  29         logger.error(_scope, 'error creating server', err);
  30         throw err;
  31       }
  32       logger.info(_scope, 'server started', { version, listenAddress: ADDR, listenPort: PORT });
  33     });
  34   } catch (e) {
  35     (logger || console).error(_scope, 'error starting server', e);
  36     db && db.listener && await db.listener.stop();
  37   }
  38 })();