micro-image-manager/lib/app.js

Manage images in your microservices

#!/usr/bin/env node
"use strict";

var _process$env$MONGO_UR, _process$env$HTTP_POR;

const http = require('http');

const getImage = require('./handler/get-image');

const addImage = require('./handler/add-image');

const Db = require('./service/db');

const {
  initData
} = require('./util/init-util');

const mongodbUrl = (_process$env$MONGO_UR = process.env['MONGO_URL']) != null ? _process$env$MONGO_UR : 'mongodb://localhost:27017/image-manager';
const httpPort = (_process$env$HTTP_POR = process.env['HTTP_PORT']) != null ? _process$env$HTTP_POR : 8700;

const requestListener = db => async (req, res) => {
  if (/\/image\/[0-9a-z_]+/.test(req.url)) {
    getImage(req, res, db);
  } else if (req.url === '/api/v1/images') {
    addImage(req, res, db);
  } else {
    res.writeHead(404);
    return res.end(JSON.stringify({
      status: 404,
      error: `'${req.url}' does not exist`
    }));
  }
};

const main = async () => {
  const db = new Db(mongodbUrl);
  const connectedDb = await db.connect();
  await initData(connectedDb);
  const server = http.createServer(requestListener(connectedDb));
  await server.listen(httpPort);
  console.log(`Server ready at ${httpPort}`);
};

main().catch(err => console.error(err));