mycdc/index.js

const fs = require('fs');
const path = require('path');
const defaultConfig = require('./config.json');
const DbAsync = require('./db-async');

const config = Object.assign({}, defaultConfig);
const localPath = path.join(__dirname, 'config.local.json');
if (fs.existsSync(localPath)) {
  const localConfig = require(localPath);
  Object.assign(config, localConfig);
}

let dbAsync;

async function main() {
  dbAsync = new DbAsync(config)
  await dbAsync.start();

  process.on('SIGINT', async function() {
    console.log('Got SIGINT.');
    try {
      await dbAsync.stop();
    } catch (err) {
      console.error(err);
    }
    process.exit();
  });
}
main();