`swagger-http-router` with manual DI

manual.js

import { getInstance, initializer } from 'knifecycle';
import uuid from 'uuid';
import { initDelayService } from 'common-services';

import {
  initRouter,
  initHTTP,
  initHTTPTransaction
} from 'swagger-http-router';

import swaggerDefinition from './my-swagger.json';
import * as HANDLERS from './handlers';
import initDB from './services/db';

try {
  // STEP 1: Create common services
  const services = {
    log: console.log.bind(console),
    time: Date.now.bind(Date),
    uniqueId: uuid.v4,
    ENV: process.env,
  };

  const delayProvider = await initDelayService(services);
  services.delay = delayProvider.service;

  const dbProvider = await initDb(services);
  services.db = dbProvider.service;

  // STEP 2: Instantiate handlers
  await Promise.all(
    Object.keys(HANDLERS)
    .map((handlerName) => {
      return HANDLERS[handlerName](services)
      .then((handler) => {
        services[handlerName] = handler;
      });
    })
  );

  services.HANDLERS = HANDLERS;

  // STEP 3: Register your API definition
  services.API = swaggerDefinition;

  // STEP 4: Start the router
  const httpRouterProvider = await initHTTPRouter(services);
  services.router = httpRouterProvider.service;

  const httpServerProvider = await initHTTPServer(services);
  services.httpServer = httpServerProvider.service;

  log('info', `On air 🚀🌕`);

  function shutdown() {
    await httpServerProvider.dispose();
    await httpRouterProvider.dispose();
    await dbProvider.dispose();
  }

  process.on('SIGTERM', shutdown);
} catch(err) {
  console.error('💀 - Cannot launch the process:', err.stack);
}