+'use strict';
+
+const http = require('http');
+
+const Config = require('./config');
+const DB = require('./src/db');
+const Service = require('./src/service');
+const Logger = require('./src/logger');
+const { fileScope } = require('./src/common');
+const _fileScope = fileScope(__filename);
+const { version } = require('./package.json');
+
+const PORT = process.env.PORT || 3002;
+const ADDR = process.env.LISTEN_ADDR || '127.0.0.1';
+
+(async function main () {
+ const _scope = _fileScope('main');
+ let config, logger, db, service;
+ try {
+ config = new Config(process.env.NODE_ENV);
+ logger = new Logger(config);
+ db = new DB(logger, config);
+ await db.initialize();
+ service = new Service(logger, db, config);
+ await service.initialize();
+
+ http.createServer((req, res) => {
+ service.dispatch(req, res);
+ }).listen(PORT, ADDR, (err) => {
+ if (err) {
+ logger.error(_scope, 'error starting server', err);
+ throw err;
+ }
+ logger.info(_scope, 'server started', { version, listenAddress: ADDR, listenPort: PORT });
+ });
+ } catch (e) {
+ (logger || console).error(_scope, 'error starting server', e);
+ }
+})();
\ No newline at end of file