Deploying Node.js microservices to ZEIT ▲ Now

Deploying Node.js microservices to ZEIT ▲ Now

<strong>ZEIT Now is a cloud platform to deploy serverless applications, one of the things I like the most about Now is their DX (Developer Experience), it makes it very pleasant to deploy microservices to the cloud.</strong>

ZEIT Now is a cloud platform to deploy serverless applications, one of the things I like the most about Now is their DX (Developer Experience), it makes it very pleasant to deploy microservices to the cloud.

In this article we are going to learn how to install Now and start deploying with one single command, now.

  • Node.js 10 LTS Installed
  • A terminal
  • Code editor of your choice
  • A ZEIT Now account, you can signup for free here

First, let’s install now CLI from npm by running the following command:

$ npm install -g now


Next, we need to identify ourselves in the platform, now CLI offers an easy way to do this by running:

$ now login

This will ask for your email and will send you a Verification email, just by clicking on Verify will log you in the platform, it’s like magic 🔮!

Verifying email

Successful login from Terminal

Create your first Microservice

We are ready to start creating our first microservice (or serverless application, you name it).

Now provides a list of examples, for our exercise we are going to use Node.js ⬢, but hey!, Now supports other languages and platforms too, just give it a try with the one you like the most 😉

To start witht he Node.js template let’s run the following command:

$ now init nodejs microservice

This will create a folder called microservice with the Node.js template.

Now is time to deploy our example to the cloud, let’s go to that folder and execute now to see what happens!

$ cd microservice
$ now

Deploying to Now and running our microservice

Before continuing with our next trick, let’s explore the files we are deploying:


It contains a simple function with the request and response objects from Node.js, this will be executed on every request made to our microservice.

module.exports = (req, res) => {
res.end(Hello from Node.js on Now 2.0!);



It’s the deployment configuration file, used to specify the name of our project, the type of builders we are going to use, routes, etc. More information can be found in their documentation.

"version": 2,
"name": "nodejs",
"builds": [
{ "src": "*.js", "use": "@now/node" }



What we have seen so far seems simple, but, here comes the real power of now, we can mix and match different microservices in a monorepo to create a full serverless project.

For our next trick, we will create a Nuxt.js static application that will be doing API requests to a Node.js microservice, both are going to be deployed to now using the monorepo approach.

Let’s create a monorepo folder and then run create-nuxt-app, this will create a basic Nuxt.js application for you, just make sure to select Axios support in the features section, we will use it later 😉.

$ mkdir monorepo
$ cd monorepo
$ npx create-nuxt-app www


We have our frontend application almost ready, we will need to add an API to our monorepo project, let’s create an api folder and add a Node.js microservice in there (no need to create the now.json, we will take care of that later).

Let’s create a bands microservice:

$ mkdir api
$ touch api/bands.js


module.exports = (req, res) => {
const bands = [
name: 'Dio',
genre: 'Heavy Metal'
name: 'Anthrax',
genre: 'Trash Metal'
name: 'Tenebrarum',
genre: 'Gothic Metal'

yes, I like Metal 🤘

Let’s create a Deployment Configuration file to wire up our two project in the monorepo.


"version": 2,
"name": "monorepo",
"builds": [
{ "src": "www/package.json", "use": "@now/static-build" },
{ "src": "api/.js", "use": "@now/node" }
"routes": [
{ "src": "/api/(.
)", "dest": "/api/$1" },
{ "src": "/(.*)", "dest": "/www/$1" }

More information about how routes work in their documentation.

Here we are creating both the API and the Web project in one single repo using two different serverless applications, one served by @now/node and the other built by @now/static-build.

Before deploying let’s add the following to our www project:

  • Add a now-build script to the package.json file as following:
"now-build": "API_URL= npm run generate"

This will setup Axios to discover our API endpoint in the proper URL (make sure to use your alias here), and will tell now how to generate a static site for Nuxt.

  • Let’s update our pages/index.vue page to execute the Bands microservice we implemented with Node.js
export default {
components: {
data: function () {
return {
bands: []
methods: {
async loadBands () {
try {
this.bands = await this.$axios.$get('/api/bands.js')
} catch (err) {

  • Add a Button to the <template> and render the items with Vue.js
<a v-on:click="loadBands">Load Bands</a>
<ul v-bind:key="" v-for="band in bands">
<li>{{ }} - {{ band.genre }}</li>

And voila! We have connected our two serverless applications in one monorepo with Now!

Originally published by Julián Duque at

Learn More

☞ The Complete Node.js Developer Course (2nd Edition)

☞ Learn and Understand NodeJS

☞ Node JS: Advanced Concepts

☞ GraphQL: Learning GraphQL with Node.Js

☞ Angular (Angular 2+) & NodeJS - The MEAN Stack Guide

☞ Beginner Full Stack Web Development: HTML, CSS, React & Node

☞ Node with React: Fullstack Web Development

☞ MERN Stack Front To Back: Full Stack React, Redux & Node.js

How to Use Express.js, Node.js and MongoDB.js

How to Use Express.js, Node.js and MongoDB.js

In this post, I will show you how to use Express.js, Node.js and MongoDB.js. We will be creating a very simple Node application, that will allow users to input data that they want to store in a MongoDB database. It will also show all items that have been entered into the database.

In this post, I will show you how to use Express.js, Node.js and MongoDB.js. We will be creating a very simple Node application, that will allow users to input data that they want to store in a MongoDB database. It will also show all items that have been entered into the database.

Creating a Node Application

To get started I would recommend creating a new database that will contain our application. For this demo I am creating a directory called node-demo. After creating the directory you will need to change into that directory.

mkdir node-demo
cd node-demo

Once we are in the directory we will need to create an application and we can do this by running the command
npm init

This will ask you a series of questions. Here are the answers I gave to the prompts.

The first step is to create a file that will contain our code for our Node.js server.

touch app.js

In our app.js we are going to add the following code to build a very simple Node.js Application.

var express = require("express");
var app = express();
var port = 3000;
app.get("/", (req, res) => {
&nbsp;&nbsp;res.send("Hello World");
app.listen(port, () => {
  console.log("Server listening on port " + port);

What the code does is require the express.js application. It then creates app by calling express. We define our port to be 3000.

The app.use line will listen to requests from the browser and will return the text “Hello World” back to the browser.

The last line actually starts the server and tells it to listen on port 3000.

Installing Express

Our app.js required the Express.js module. We need to install express in order for this to work properly. Go to your terminal and enter this command.

npm install express --save

This command will install the express module into our package.json. The module is installed as a dependency in our package.json as shown below.

To test our application you can go to the terminal and enter the command

node app.js

Open up a browser and navigate to the url http://localhost:3000

You will see the following in your browser

Creating Website to Save Data to MongoDB Database

Instead of showing the text “Hello World” when people view your application, what we want to do is to show a place for user to save data to the database.

We are going to allow users to enter a first name and a last name that we will be saving in the database.

To do this we will need to create a basic HTML file. In your terminal enter the following command to create an index.html file.

touch index.html

In our index.html file we will be creating an input filed where users can input data that they want to have stored in the database. We will also need a button for users to click on that will add the data to the database.

Here is what our index.html file looks like.

<!DOCTYPE html>
    <title>Intro to Node and MongoDB<title>

    <h1>Into to Node and MongoDB<&#47;h1>
    <form method="post" action="/addname">
      <label>Enter Your Name<&#47;label><br>
      <input type="text" name="firstName" placeholder="Enter first name..." required>
      <input type="text" name="lastName" placeholder="Enter last name..." required>
      <input type="submit" value="Add Name">

If you are familiar with HTML, you will not find anything unusual in our code for our index.html file. We are creating a form where users can input their first name and last name and then click an “Add Name” button.

The form will do a post call to the /addname endpoint. We will be talking about endpoints and post later in this tutorial.

Displaying our Website to Users

We were previously displaying the text “Hello World” to users when they visited our website. Now we want to display our html file that we created. To do this we will need to change the app.use line our our app.js file.

We will be using the sendFile command to show the index.html file. We will need to tell the server exactly where to find the index.html file. We can do that by using a node global call __dirname. The __dirname will provide the current directly where the command was run. We will then append the path to our index.html file.

The app.use lines will need to be changed to
app.use("/", (req, res) => {   res.sendFile(__dirname + "/index.html"); });

Once you have saved your app.js file, we can test it by going to terminal and running node app.js

Open your browser and navigate to “http://localhost:3000”. You will see the following

Connecting to the Database

Now we need to add our database to the application. We will be connecting to a MongoDB database. I am assuming that you already have MongoDB installed and running on your computer.

To connect to the MongoDB database we are going to use a module called Mongoose. We will need to install mongoose module just like we did with express. Go to your terminal and enter the following command.
npm install mongoose --save

This will install the mongoose model and add it as a dependency in our package.json.

Connecting to the Database

Now that we have the mongoose module installed, we need to connect to the database in our app.js file. MongoDB, by default, runs on port 27017. You connect to the database by telling it the location of the database and the name of the database.

In our app.js file after the line for the port and before the app.use line, enter the following two lines to get access to mongoose and to connect to the database. For the database, I am going to use “node-demo”.

var mongoose = require("mongoose"); mongoose.Promise = global.Promise; mongoose.connect("mongodb://localhost:27017/node-demo");

Creating a Database Schema

Once the user enters data in the input field and clicks the add button, we want the contents of the input field to be stored in the database. In order to know the format of the data in the database, we need to have a Schema.

For this tutorial, we will need a very simple Schema that has only two fields. I am going to call the field firstName and lastName. The data stored in both fields will be a String.

After connecting to the database in our app.js we need to define our Schema. Here are the lines you need to add to the app.js.
var nameSchema = new mongoose.Schema({   firstName: String,   lastNameName: String });

Once we have built our Schema, we need to create a model from it. I am going to call my model “DataInput”. Here is the line you will add next to create our mode.
var User = mongoose.model("User", nameSchema);

Creating RESTful API

Now that we have a connection to our database, we need to create the mechanism by which data will be added to the database. This is done through our REST API. We will need to create an endpoint that will be used to send data to our server. Once the server receives this data then it will store the data in the database.

An endpoint is a route that our server will be listening to to get data from the browser. We already have one route that we have created already in the application and that is the route that is listening at the endpoint “/” which is the homepage of our application.

HTTP Verbs in a REST API

The communication between the client(the browser) and the server is done through an HTTP verb. The most common HTTP verbs are

The following table explains what each HTTP verb does.

HTTP Verb Operation
GET Read
POST Create
PUT Update

As you can see from these verbs, they form the basis of CRUD operations that I talked about previously.

Building a CRUD endpoint

If you remember, the form in our index.html file used a post method to call this endpoint. We will now create this endpoint.

In our previous endpoint we used a “GET” http verb to display the index.html file. We are going to do something very similar but instead of using “GET”, we are going to use “POST”. To get started this is what the framework of our endpoint will look like."/addname", (req, res) => {
Express Middleware

To fill out the contents of our endpoint, we want to store the firstName and lastName entered by the user into the database. The values for firstName and lastName are in the body of the request that we send to the server. We want to capture that data, convert it to JSON and store it into the database.

Express.js version 4 removed all middleware. To parse the data in the body we will need to add middleware into our application to provide this functionality. We will be using the body-parser module. We need to install it, so in your terminal window enter the following command.

npm install body-parser --save

Once it is installed, we will need to require this module and configure it. The configuration will allow us to pass the data for firstName and lastName in the body to the server. It can also convert that data into JSON format. This will be handy because we can take this formatted data and save it directly into our database.

To add the body-parser middleware to our application and configure it, we can add the following lines directly after the line that sets our port.

var bodyParser = require('body-parser');
app.use(bodyParser.urlencoded({ extended: true }));
Saving data to database

Mongoose provides a save function that will take a JSON object and store it in the database. Our body-parser middleware, will convert the user’s input into the JSON format for us.

To save the data into the database, we need to create a new instance of our model that we created early. We will pass into this instance the user’s input. Once we have it then we just need to enter the command “save”.

Mongoose will return a promise on a save to the database. A promise is what is returned when the save to the database completes. This save will either finish successfully or it will fail. A promise provides two methods that will handle both of these scenarios.

If this save to the database was successful it will return to the .then segment of the promise. In this case we want to send text back the user to let them know the data was saved to the database.

If it fails it will return to the .catch segment of the promise. In this case, we want to send text back to the user telling them the data was not saved to the database. It is best practice to also change the statusCode that is returned from the default 200 to a 400. A 400 statusCode signifies that the operation failed.

Now putting all of this together here is what our final endpoint will look like."/addname", (req, res) => {
  var myData = new User(req.body);
    .then(item => {
      res.send("item saved to database");
    .catch(err => {
      res.status(400).send("unable to save to database");
Testing our code

Save your code. Go to your terminal and enter the command node app.js to start our server. Open up your browser and navigate to the URL “http://localhost:3000”. You will see our index.html file displayed to you.

Make sure you have mongo running.

Enter your first name and last name in the input fields and then click the “Add Name” button. You should get back text that says the name has been saved to the database like below.

Access to Code

The final version of the code is available in my Github repo. To access the code click here. Thank you for reading !

Microservices in Node.js

Microservices in Node.js

In this article, we’re going to create a Microservice using Node.js which connects to an external API. A look at the basics of microservices, by way of a Lego-themed Node-based example.

Microservices are an architectural approach based on building an application as a collection of small services.

Let’s think of an application as a store. Applications are traditionally “monolithic” which means they are built as a single, autonomous unit --think of your favorite big-box store, selling everything from bananas to lawn furniture.

Everything is contained inside the unit. Let’s imagine that the person in this image - I’ll call him Jeff - is going inside the store to buy chewing gum and t-shirts. He can get a shopping cart to carry his purchases, look at products in different aisles, and pay at the checkstand before leaving--essentially, everything he needs is inside the store. These could also just as easily be components of an online Lego store application 👇.

All of this is run within a single process, and if our Lego store becomes very popular and we want to expand the business, we will have to add more Lego blocks in the same unit... and in the case of the online store, add more servers in order to scale it out.

So, every change (even minor changes) in our Lego store (physical or online) can be slow or tedious as it affects the entire system. In the case of Jeff’s store, a modification can require the removal or addition of multiple Lego blocks, affecting the entire structure. In the monolithic online store, a modification made to a small section of code might require building and deploying an entirely new version of software. So, scaling specific functions or components of the application, also means you have to scale the entire system.

Other problems with a monolithic approach in an online application are:

  • Inflexibility: it cannot be built using different technologies
  • Potentially unreliable: if even one feature of the system does not work, then the entire system does not work
  • Unscalable: applications cannot be scaled easily, since each time the application needs to be updated, the complete system has to be rebuilt
  • Not suitable for continuous development: many features of an application cannot be built and deployed at the same time
  • Slow development: As you can likely guess from the preceding points, development in monolithic applications takes a lot of time, since each feature has to be built individually, one after the other, rather than allowing multiple features to be worked on concurrently

This is where microservices come to the rescue!

Instead of containing everything in a single unit, the microservices-based application is broken down into smaller, lightweight pieces based on a logical construct. The application consists of independent small (micro-) services, and when we deploy or scale the app, individual services get distributed within a set of machines which we call “a cluster” in the service fabric world.

So in our Lego store example, perhaps one microservice contains a shopping cart, another one a product catalog, while another handles checkout, and so on. This approach allows developers to embrace compact and specialized tools that get each job done properly. Microservices are exactly that, scaled to enterprise level.

Each service has its own unique and well-defined role, runs in its own process, and communicates via HTTP APIs or messaging. Each microservice can be deployed, upgraded, scaled, and restarted independently of all the sibling services in the application. They are typically managed by an automated system, making it possible to deploy frequent updates to live applications without affecting the end-users.

Following this pattern, Jeff’s store will be very different: now he won’t have one big store where he can find everything he needs, but there would have multiple stores and each store will be independent and have specific functions. The first store may contain only Lego castles, another one bridges, and another one, Lego rockets

All of the Lego stores will be part of a “Lego shopping mall” or “cluster,” and if I want to expand, scale, upgrade, or modify only the store selling rockets, the castle store (and the rest) won’t be affected.

In other words, developers identify the separate service “pieces” that are logically closely related and necessary parts of a project. Then, they choose from the options available that meet their particular needs, from open source to enterprise solutions, and knit everything together into a functional application.

Advantages of using microservices:
  • Allows us to build, operate and manage services independently, and we can easily scale them out based on the resources they need.
  • Microservices take a lot of infrastructure risk out of the project straight away. With the infrastructure made almost invisible, microservice teams can iterate quickly.
  • Each developer on a team can avoid getting tangled up in the underlying infrastructure, and focus on their piece of the project. Then, in production, if individual project modules don’t work exactly right together, it’s easy enough to isolate, disassemble and reconfigure them until they do. If shoppers aren’t big fans of the mall’s specialty ketchup store, a shoe store can be built in its place. It offers better resource utilization and cost optimization
  • Microservices have their own load balancer and execution environment to execute their functionalities, and at the same time, capture data in their own databases.
  • Finally, microservices offer language and platform freedom, so teams can choose the best language for the job at hand (even if that’s .NET for one team and Node.js for another team).
Drawbacks of microservices:
  • Microservices are not automatically the right solution for every project. When you are running multiple instances of the same service or worker, you don’t necessarily need microservices. A well-built monolithic system can scale just as well for some classes of problems.
  • One of the big problems with microservices is “orchestration”, which means how to integrate the services with a guide to drive the process, much like a conductor in an orchestra. Integrating microservices can be quite complex.
  • Another complex process is “discovery” which is how applications and (micro)services locate each other on a network.
  • Moving away from a monolithic app architecture means the loss of an opinionated workflow that previously glued all the pieces together.
  • There is a risk in getting a very fragmented system where developers need to spend a lot of time and effort on gluing together services and tools, and where there’s a lack of common patterns and platforms that makes it difficult to work across different projects.
  • Microservices can also require increased testing complexity and possibly increased memory/computing resources.
  • It’s possible to create un-scalable microservices. It all comes down to how well you apply the fundamental principles. It’s all too easy to jump into shopping for all the microservices you want to apply without first truly considering the problem set you’re applying them to
Creating Microservices with Node.js

In this example, we’re going to create a microservice using Node.js which connects to an external API.

The requirement for this service is to accept two Zip Codes of two Lego stores and return the distance between them in miles.

Initial Steps
  1. Have Node.js installed
  2. Run npm init in the root folder for the project. This will create a package.json file that will prompt some questions about the package, if you are not sure how to answer you can use the default.
  3. We are going to use two packages, Express and Require that can be installed like this:
$ npm install express request --save

Let’s look at the structure of the folders. There are two files and a folder created by the npm init command. These are package.json, package-lock.json, and node_modules. When we installed the express and request packages, their dependencies were downloaded and saved in node_modules.

The primary file in our project is named server.js. And your package.json should look similar to this ☝️.

Then we create two folders, api for files that will support the API, and service for the logic to connect to a third-party API.

Let’s build our service!

Creating a Server to Accept Requests

Create a file in the root folder for your project called server.js which will be our primary file. This file contains the code below.

const express = require('express')
const app = express();
const port = process.env.PORT || 3000;

const routes = require('./api/routes');
app.listen(port, function() {
  console.log('Server started on port: ' + port);

This file is creating our server and assigns routes to process all requests.

We first require express into the file, and use it to create a new app object const app = express(); then we specify the port, in this case, we use the environment variable called PORT, and if the variable isn’t defined, it will use the default port: 3000.

Then we bring the routes object from the routes.js file in the api folder. We’ll pass the app to the routes object, and that sets the routes for our application. Finally, we’ll tell the app to start listening on the port we defined and to display a message to the console when this process is complete.

Defining the routes

The next step is to define the routes for the microservices and then assign each to a target in the controller object (that will control the flow of data in the application). We’ll build the controller in the next step. We’ll have two endpoints. One endpoint called “about” that returns information about the application. And a “distance” endpoint that includes two path parameters, both Zip Codes of the Lego store. This endpoint returns the distance, in miles, between these two Zip Codes.

'use strict';

const controller = require('./controller');

module.exports = function(app) {

The ‘use strict’ directive at the top of the file is used by new versions of Javascript to enforce secure coding practices. The first thing we’ll do is to create a controller object which we’ll define in the next step. Module.exports allows us to declare functions inside a module, and have them available for use in another file. This file constitutes the routes module, which we imported into our primary server.js file and used it to define the routes for our express app. This function adds two routes to the app. The first route listens for GET requests on the /about endpoint. These requests are handled by the about function in the controller. The second route listens for GET requests on the /distance endpoint. The getDistance function in the controller handles these requests. Two parameters are also specified. These are labeled zipcode1 and zipcode2 respectively. Let’s build the controller to handle those requests.

Adding Controller Logic

Within the controller file, we’re going to create a controller object with two properties. Those properties are the functions to handle the requests we defined in the routes module.

'use strict';

var properties = require('../package.json')
var distance = require('../service/distance');

var controllers = {
  about: function(req, res) {
      var aboutInfo = {
          version: properties.version
  getDistance: function(req, res) {
          distance.find(req, res, function(err, dist) {
              if (err)

module.exports = controllers;

We have two distinct parts to our controller. We’ll go through the code for the about functionality first. At the top, we create an object called properties which references the package.json file which npm created when it bootstrapped the project. This file is in JavaScript Object Notation or JSON for short. This format affords us the ability to import and use the information it contains.

Within the controllers object, we define a property called about. This property is a function which accepts request and response objects. We’ll only use the response object for this function. Using the name and version information from the package.json file, we’ll build a new object and return it as the response.

For the getDistance functionality, we’ll start by bringing in the distance module. We’ll pass the request and response objects to the find function within this module. This function also includes a callback function. This function accepts an error object (err) and a distance object (dist). If there is an error in the response, we return that with our response; otherwise, we send back the results of the find function.

Making the External Call

We’re ready for the final piece of the puzzle. This file handles the call to a third-party API. We’ll use the distance API provided by (You need an API key to use this, and it is free if you register. You can also use the key from the example if you want to test your service, but this key frequently expires during the day).

I set my key as an environment variable on my system and named it ZIPCODE_API_KEY. The default key in the code is an expired test key from the ZipCodeAPI website.

var request = require('request');

const apiKey = process.env.ZIPCODE_API_KEY || "hkCt1nW1wF1rppaEmoor7T9G4ta7R5wFSu8l1dokNz8y53gGZHDneWWVosbEYirC";
zipCodeURL = '';

var distance = {
  find: function(req, res, next) {
      request(zipCodeURL + apiKey
              + '/distance.json/' + req.params.zipcode1 + '/'
              + req.params.zipcode2 + '/mile',
      function (error, response, body) {
          if (!error && response.statusCode == 200) {
              response = JSON.parse(body);
          } else {
              console.log(response.statusCode + response.body);
              res.send({distance: -1});


module.exports = distance;

We’re using the request package to execute the external HTTP request, and we already discussed the api Key above. Ensure that you update it unless you want to start by testing the error conditions.

The find function accepts request, response and next objects as parameters. The request object accepts the URL of the service we’re calling and then defines a callback function to handle the response.

If there are no errors, and the status of the response is HTTP Status code 200, then the function parses out the body of the response into an object called response and returns it on the resp object. Since the ZipCodeAPI returns with a JSON response, we could forward this directly. Parsing it out allows us the option of doing more with the response if we choose to.

We log failures to the console, and then a result of -1 is sent on the response object. You may opt to create an error object to return as well.

Finally, we export the distance object, which allows the controller to instantiate it and call its functions as needed.


Assuming there aren’t any typos, your application should be ready to execute. Open a console window and run the following command:

npm start

Assuming it starts correctly, and the port you define is 3000, you can now open your browser and navigate to:

http://localhost:3000/about when you will see the name of the app and the version.

Now if you add two parameters, the two zip codes, you will see something like this:


And that’s it! Using microservices to know the distance between two zip codes!


In microservices, every single service is independently deployable, scalable and updatable, this is what makes microservices such an appealing architectural approach to the industry.

A microservice is loosely coupled and interacts with other microservices for well-defined interfaces using protocols like http, they remain consistent and available in the presence of failure, meaning even if the machine goes down that host a microservice, the functionality provided by the service should still be offered by the application.

While microservices are great, there is quite some work involved to build a scalable microservice application on a platform as you need to consider things like cluster management, service orchestration, inter-service communication and so on, and you also need to put a lot of effort into following DevOpsbest practices.

Not to mention that microservices can also require increased testing complexity and possibly increased memory/computing resources. Thus, despite the abundant potential benefits, those knowledgeable in the field caution that microservices are not automatically the right solution for every project.

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Further reading about Microservices

An Introduction to Microservices

What is Microservices?

Build Spring Microservices and Dockerize Them for Production

Best Java Microservices Interview Questions In 2019

Build a microservices architecture with Spring Boot and Spring Cloud

Design patterns for microservices 🍂 🍂 🍂

Kotlin Microservices With Micronaut, Spring Cloud, and JPA

Build Spring Microservices and Dockerize Them for Production

Secure Service-to-Service Spring Microservices with HTTPS and OAuth 2.0

Build Secure Microservices with AWS Lambda and ASP.NET Core

Node.js for Beginners - Learn Node.js from Scratch (Step by Step)

Node.js for Beginners - Learn Node.js from Scratch (Step by Step)

Node.js for Beginners - Learn Node.js from Scratch (Step by Step) - Learn the basics of Node.js. This Node.js tutorial will guide you step by step so that you will learn basics and theory of every part. Learn to use Node.js like a professional. You’ll learn: Basic Of Node, Modules, NPM In Node, Event, Email, Uploading File, Advance Of Node.

Node.js for Beginners

Learn Node.js from Scratch (Step by Step)

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