How to Build and Deploy a Serverless React App on Azure (2023)

Microsoft’s Azure platform has as many high-tech products as anyone could ever want, including the Azure Static Web Apps service. As the name suggests, the platform hosts static web apps that don’t require a back end. Azure supports React, Angular, Vue, Gatsby, and many more, out of the box.

However, you may run into situations where you want some back-end support, such as when you need the backend to run one or two API calls. For this task, Azure offers the Functions platform as well. Functions is a serverless computing platform that supports .NET, Node.js, Python, etc. It takes care of setting up a server, builds logging and exception handling, and provides a high availability environment at a reasonable price.

This tutorial will show you how to create a React application and deploy it to Azure Static Web Apps. The application will be on the Azure free tier, so you will not be able to rely on the built-in authentication providers that connect Azure and Okta to handle the authentication. Therefore, you will use the okta-react package from Okta to secure your single page application (SPA) manually. Once the user authenticates, they’ll be able to upload an image and receive a badge from a serverless Azure function.

This serverless function will handle the work of accepting the input image from the SPA and using a template to create a personalized badge for the user. Since you will be using the free version of Azure Static Web Apps, you will have to deploy the function as a Managed Azure Function.

You will write your application in Visual Studio Code and use the Azure extensions for Functions and Static Web Apps.


If you want to see the code, you can download it or fork it from the example on GitHub.

Table of Contents

  • Create your Okta application
  • Create your React application
    • Test your React application
  • Write your Azure Serverless Function code
  • Deploy your application to Azure Static Web Apps and Azure Functions
    • Edit your Okta application
  • Run your application
    • Use the Azure emulator
  • Wrap up

Create your Okta application

Before you begin, you’ll need a free Okta developer account. Install the Okta CLI and run okta register to sign up for a new account. If you already have an account, run okta login.Then, run okta apps create. Select the default app name, or change it as you see fit.Choose Single-Page App and press Enter.

Use http://localhost:4280/login/callback for the Redirect URI and accept the default Logout Redirect URI of http://localhost:4280/login.

What does the Okta CLI do?

The Okta CLI will create an OIDC Single-Page App in your Okta Org. It will add the redirect URIs you specified and grant access to the Everyone group. It will also add a trusted origin for http://localhost:4280/login. You will see output like the following when it’s finished:

Okta application configuration:Issuer: ID: 0oab8eb55Kb9jdMIr5d6
(Video) Deploy a Serverless React App to Azure Container Instance

NOTE: You can also use the Okta Admin Console to create your app. See Create a React App for more information.

Create your React application

The next step is to build your React application as a static web app. Begin as you would with most React apps by running npx create-react-app azure-static-app. After a few moments, your application will be ready to run. Once this happens, delete the .gitignore file and the .git folder that create-react-app produced. At this time, there is no way to prevent the task from adding these, but they will conflict with the Azure git files you will add soon.

Start by adding the dependencies you will need. cd azure-static-app into your React directory and run the following commands.

npm i @okta/okta-auth-js@6.2.0npm i @okta/okta-react@6.4.3npm i react-router-dom@5.3.0npm i bootstrap@5.1.3

The @okta/okta-react library is the principal package you will use to log the user in. This package relies on @okta/okta-auth-js to work. react-router-dom will help secure your routes and provide a route for the login/callback. Finally, you will use Bootstrap to style the site.

Next, replace the contents of App.js with the following code.

import React from "react";import { BrowserRouter as Router } from "react-router-dom";import AppWithRouterAccess from "./AppWithRouterAccess";import "bootstrap/dist/css/bootstrap.min.css";const App = () => { return ( <Router> <AppWithRouterAccess /> </Router> );};export default App;

The code you’ve added makes the following changes:

  • Imports Bootstrap to style the application
  • prepare the application to use the AppWithRouterAccess method that you’ll soon create
  • Wraps the BrowserRouter component from react-router-dom so you can access the Routes and Route objects in child components

Add the AppWithRouterAccess.jsx file to your src directory and add the following code to it.

import "./App.css";import { Route, useHistory } from "react-router-dom";import { OktaAuth, toRelativeUrl } from "@okta/okta-auth-js";import { Security, LoginCallback } from "@okta/okta-react";import Home from "./Home";const oktaAuth = new OktaAuth({ issuer: "https://{yourOktaDomain}/oauth2/default", clientId: "{yourOktaClientId}", redirectUri: window.location.origin + "/login/callback",});function AppWithRouterAccess() { const history = useHistory(); const restoreOriginalUri = async (_oktaAuth, originalUri) => { history.replace(toRelativeUrl(originalUri || "/", window.location.origin)); }; return ( <Security oktaAuth={oktaAuth} restoreOriginalUri={restoreOriginalUri}> <Route path="/" component={Home} /> <Route path="/login/callback" component={LoginCallback} /> </Security> );}export default AppWithRouterAccess;

This component creates the routes for your Home and LoginCallback components. It also initializes the OktaAuth object, which is passed into the Security component for the children to use. To do this, use the clientId and issuer that the Okta CLI returned when you created your Okta app and replace {yourOktaClientId} and {yourOktaDomain}. If you used a server other than your default authorization server, you will need to change the entire issuer, not just your domain.

(Video) Deploy my first React JS Application to Azure App Service

Next, add Home.jsx to your src folder and add the following code.

import { useOktaAuth } from "@okta/okta-react";import { useState } from "react";function Home() { const { oktaAuth, authState } = useOktaAuth(); const [image, setImage] = useState(); const [display, setDisplay] = useState(); const acceptImage = (e) => { setImage([0]); }; const login = async () => oktaAuth.signInWithRedirect(); const logout = async () => oktaAuth.signOut("/"); const createBadge = async () => { var data = new FormData(); data.append("file", image); // Ideally the Azure Function should call the `/userprofile` endpoint to get  // the user name instead of relying on the client to send it since the client // could manipulate the data data.append("firstLetter",[0]); const resp = await fetch("api/CreateBadge", { method: "POST", headers: { "okta-authorization": "Bearer " + authState.accessToken.accessToken, }, body: data, }); const blob = await resp.blob(); setDisplay(URL.createObjectURL(blob)); }; return ( <div className="App"> <main role="main" className="inner cover container"> <nav className="navbar navbar-expand-lg navbar-light bg-light "> <ul className="nav navbar-nav ml-auto navbar-right ms-auto"> <li> {authState?.isAuthenticated && ( <button className="btn btn-outline-secondary my-2 my-sm-0" onClick={logout}> Logout </button> )} {!authState?.isAuthenticated && ( <button className="btn btn-outline-secondary" onClick={login}> Login </button> )} </li> </ul> </nav> <h1 className="cover-heading">Create your Intergalactic Mining Federation badge</h1> {!authState?.isAuthenticated && ( <div> <p className="lead">In order to use this application you must be logged into your Okta account</p> <p className="lead"> <button className="btn btn-primary" onClick={login}> Login </button> </p> </div> )} {authState?.isAuthenticated && ( <div> <p className="lead">To Create your badge, upload your image below</p> <input onChange={acceptImage} name="image" type="file" /> <button className="btn btn-primary" onClick={createBadge}> Upload </button> <br /> {display && <img className="pt-4" alt="your IMF badge" src={display}></img>} </div> )} <footer className="bg-light text-center fixed-bottom" style={{ width: "100%", padding: "0 15px", }} > <p> A Small demo using <a href="">Okta</a> to Secure an{" "} <a href="">Azure Static Web App </a> with a serverless{" "} <a href="">Function</a> </p> <p> By <a href="">Nik Fisher</a> </p> </footer> </main> </div> );}export default Home;

This file contains the bulk of your logic. First, it provides Login/Logout functionality using the useOktaAuth hook. With this hook, you can determine the user’s authenticated state. If the user is not authenticated, prompt them to do so; otherwise, you will allow them to use the badge creator.

The badge creator logic prompts users to upload a photo of themselves for the template. It then posts this to the nebulous api/CreateBadge. This route stands for the CreateBadge function that you will create later in this article. Azure will know how to find that route whether you’re running this application locally on Azure’s emulator or Azure’s infrastructure. It will even be able to route to the appropriate environment on Azure’s servers.

A note here: You might expect to send the accessToken in the Authorization header; however, Azure overwrites the Authorization header with its token by default. You can eliminate this step on the Azure standard pricing model by using the custom providers in the Static Web App and the Function. However, you will need to use this workaround on the free model.

In this tutorial, the client sends the username from the ID token. Ideally, the Azure Function should retrieve the username by making a call to the /userprofile endpoint. By having the Azure Function handle this, you can ensure you get the accurate username without relying on the client to send something potentially inaccurate.

One other note: Environment variables do not work at this time on Static Web Apps. If you attempt to use process.env.{variable} in your code and set it in the application settings, it will not work.

Finally, add StaticWebApp.config.json to your azure-static-app directory and add the code below.

{ "navigationFallback": { "rewrite": "/index.html" }}

This configuration file is necessary for single page apps to handle routing on the client. Specifically, you will need this for the login/callback route.

Test your React application

At this point, you can ensure your React application is working and connected to Okta properly. In the root of your React application, add a new file called .env and add the following code to it.


The Azure emulator will run the application on 4280 by default, so we set up the Okta application to allow that port. However, React usually runs the application on port 3000. Using .env to set the port will enable us to override that behavior and run the app on 4280.
Next, run the npm run start command in your React application’s directory. You should be able to see your home screen and log in to Okta, but you will not be able to use the image feature yet.

Write your Azure Serverless Function code

You’ll need that api/CreateBadge endpoint to land somewhere. Open the Azure extension in VS Code, and use the Static Web Apps section to click Create HTTP Function. Select javascript as the language and name the function CreateBadge. The extension will create a new folder called api and another folder called CreateBadge with your Function code.

First, run cd ../api to enter the api folder (assuming you’re still in azure-static-app folder). You can install your dependencies first.

(Video) Deploy a React Web Application to Azure

npm i @okta/jwt-verifier@2.3.0npm i canvas@2.9.0npm i parse-multipart-data@1.2.1

parse-multipart-data will help parse the image from the request body. You will use canvas to modify the image. Finally, @okta/jwt-verifier will verify the token passed in the header to authenticate the user. As I mentioned before, but worth mentioning again, if you are using the standard pricing model, then the authentication can and should be handled in the Azure portal using a custom provider. However, you are stuck doing the work yourself on the free tier.

Open api/CreateBadge/index.js and replace the code there with the following.

const { createCanvas, loadImage } = require("canvas");const { rename } = require("fs");const querystring = require("querystring");const templateWH = [394, 225];const profilePictureStart = [22, 48];const profilePictureWH = [97, 121];const letterStart = [250, 205];const multipart = require("parse-multipart-data");badgeTemplateUrl = "";const OktaJwtVerifier = require("@okta/jwt-verifier");const oktaJwtVerifier = new OktaJwtVerifier({ issuer: "https://{yourOktaDomain}/oauth2/default",});const getAuthToken = (req) => { const header = req.headers["okta-authorization"]; const tokenParts = header.split(" "); const token = tokenParts.length > 0 ? tokenParts[1] : ""; return token;};const drawImage = async (req) => { const bodyBuffer = Buffer.from(req.body); const boundary = multipart.getBoundary(req.headers["content-type"]); const parts = multipart.parse(bodyBuffer, boundary); const canvas = createCanvas(templateWH[0], templateWH[1]); const ctx = canvas.getContext("2d"); // Ideally this Azure Function should call the `/userprofile` endpoint to get  // the user name instead of relying on the client to send it const firstLetter = parts.filter((r) => === "firstLetter")[0].data.toString(); const template = await loadImage(badgeTemplateUrl); ctx.drawImage(template, 0, 0, templateWH[0], templateWH[1]); ctx.font = "68px Calibri"; ctx.fillStyle = "#fff"; ctx.fillText(firstLetter, letterStart[0], letterStart[1]); const profileImage = await loadImage(parts[0].data); ctx.drawImage(profileImage, profilePictureStart[0], profilePictureStart[1], profilePictureWH[0], profilePictureWH[1]); return canvas;};module.exports = async function (context, req) { const accessToken = getAuthToken(req); const jwt = await oktaJwtVerifier.verifyAccessToken(accessToken, "api://default"); const canvas = await drawImage(req); var stream = await canvas.pngStream(); context.res.setHeader("Content-Type", "image/png"); context.res.end(canvas.toBuffer("image/png"));};

This file uses the OktaJwtVerifier to verify the token sent from the React front end. It does this by parsing the okta-authorization header. If the token is invalid, it will return a 403.

The other primary function of this code is to take the image uploaded by the user and modify a template image by adding the uploaded image to it. You will also pull the user’s name from the JWT and replace the name on the badge with the first letter of the user’s first name. If your name is “Okta Developers”, you’ll see “Agent O”. Assuming this was all a success, you would return the image to the SPA to display to the user.

Deploy your application to Azure Static Web Apps and Azure Functions

Click into the Azure VS Code extension again, and under the Static Web Apps section, click Create Static Web App…. Follow the prompts and add the following information. If you are new to Azure, you’ll first need to create a “Subscription”. Then answer the prompts as shown below:

  • Azure Subscription Name - “My Azure Subscription”
  • Azure Web App name - azure-static-app
  • GitHub repo - azure-static-app
  • Commit Message - initial commit
  • Region - Select the region closest to you
  • Framework - React
  • Root of your app - azure-static-app
  • Root of your api (if asked) - api
  • Build - leave this blank

Everything will need a few moments to build. This process creates a new git repo on your GitHub account, configures the CI/CD for Azure Static Web Apps using GitHub Actions, creates your Azure Static Web App, and deploys your function and SPA code. Once it’s complete, you should be able to navigate to your newly created site.

Edit your Okta application

You will need to configure your Okta application for your newly deployed application. You used your localhost settings when you first configured your app. Now you need to add your Azure settings as well.

Edit your application and under the Login section, add your Azure domain with the /login/callback endpoint to the Sign-in redirect URIs section. Next, add the domain’s home page to your Sign-out redirect URIs section.

How to Build and Deploy a Serverless React App on Azure (1)

Next, navigate to Security > API and click Trusted Origins. Add your Azure domain to this list.

(Video) Deploying React apps to Azure Web App with Azure DevOps

How to Build and Deploy a Serverless React App on Azure (2)

Run your application

Finally, navigate back to your Azure domain and log in using Okta. Select an image you want to use for your profile picture and click Upload. After a moment, your function should return your new badge.

How to Build and Deploy a Serverless React App on Azure (3)

Use the Azure emulator

If you’ve run into an error deploying and need to debug your project locally, you can use the Azure Static Web App emulator to tie your full product together. You’ll need to install some npm packages to run both the web app and the API functions.

In the terminal, run the following commands to install the necessary packages:

npm install -g @azure/static-web-apps-cli azure-functions-core-toolsnpm install -g azure-functions-core-tools@3 --unsafe-perm true

Navigate to the root directory of the project and run the following command to start the Static Web App emulator, run the web app in dev mode, and also run the API function:

swa start http://localhost:4280 --app-location azure-static-app --run="npm start" --api-location ./api --func-args="--javascript"

It’s possible to run this app from the build directory, but you will lose the benefits of hot-reloading as you make changes.

Wrap up

In this tutorial, you learned how to create a React app and deploy it to Azure as a Static Web App. You also learned how to build a Function in Azure and call it from your Static Web App. Finally, you learned how to secure both the Function and the Static Web App using Okta.Want to explore some related resources for building apps on the Azure platform? Take a look at some of these other Okta Developer blog posts.

  • How to Deploy Your .NET Core App to Google Cloud, AWS or Azure
  • Build a Simple Microservice with C# Azure Functions
  • Use Azure Cosmos DB with Your ASP.NET App

Make sure you follow us on Twitter and subscribe to our YouTube channel. If you have any questions or want to share what tutorial you’d like to see next, please comment below.


How do I build and deploy React app in Azure? ›

  1. Create a project in your Azure DevOps organization. ...
  2. Let's click on “create a pipeline” and choose “use the classic editor” and choose start with an “empty job” ...
  3. Let's create an App service to deploy our application to, we can do that from the and by choosing “Web Apps” -> “Create app service”:
Jan 10, 2020

How do I deploy React app on Azure server? ›

  1. Move inside project by running 'cd my-app' command.
  2. Run 'npm run build' command. ...
  3. Switch to VS Code, install 'Azure App Services' Extension.
  4. Select Azure app service tab and click on '+' icon to create a new web-app.

How do I create an Azure serverless function? ›

Decide if serverless computing is right for your business need. Create an Azure Function app in the Azure portal. Execute a function using triggers. Monitor and test your Azure Function from the Azure portal.

How do I build and deploy in Azure? ›

Create and deploy
  1. Log in to the Azure portal.
  2. Click Create a resource > Compute, and then scroll down to and click Cloud Service.
  3. In the new Cloud Service pane, enter a value for the DNS name.
  4. Create a new Resource Group or select an existing one.
  5. Select a Location.
  6. Click Package.
Feb 21, 2023

How do you deploy React app step by step? ›

  1. Register on the Heroku website.
  2. Go to your React App folder and open a new terminal.
  3. Login to Heroku by writing. ...
  4. Initialize git repository by command. ...
  5. Set a git remote by Heroku. ...
  6. Commit the code and deploy it to Heroku using git by following commands: ...
  7. Create a new repository on GitHub.
  8. Open the terminal in Vs Code and write.
Nov 18, 2022

How do I build and deploy ReactJS? ›

Let us learn how to deploy a React application in this chapter.
  1. Local deployment. Local deployment can be done using serve package. ...
  2. Production deployment. Production deployment can be easily done by copying the files under build/static folder to the production application's root directory. ...
  3. Relative path.

How to deploy React app to Azure using Visual Studio Code? ›

Host A React App On Azure From VS Code
  1. Step 1 - React Project Setup.
  2. Step 3 - Create a build of your react application. ...
  3. Now install 'Azure App Service' extension in VSCode.
  4. After installation, select Azure App service tab and click on '+' icon for creating a new web application.
Feb 15, 2021

How do I deploy an application using Azure App Service? ›

Navigate to your app in the Azure portal and select Deployment Center under Deployment. Follow the instructions to select your repository and branch. This will configure a DevOps build and release pipeline to automatically build, tag, and deploy your container when new commits are pushed to your selected branch.

Can you host React app on Azure App Service? ›

Azure DevOps

You can use Azure Pipelines to build your React application. For React apps, you can use npm or yarn to install application dependencies. You can review more details here: Implement JavaScript frameworks. The below will be creating a pipeline through .

How does serverless work in Azure? ›

Serverless computing enables developers to build applications faster by eliminating the need for them to manage infrastructure. With serverless applications, the cloud service provider automatically provisions, scales, and manages the infrastructure required to run the code.

Can we use serverless in Azure? ›

Azure SQL Database serverless

All databases in Azure SQL Database including those using serverless are automatically updated, come with built-in high availability, and feature built-in machine learning for added security and performance.

What is deployment process in Azure? ›

Azure Container Apps. Build and deploy modern apps and microservices using serverless containers. Execute event-driven serverless code functions with an end-to-end development experience. Run containerized web apps on Windows and Linux. Azure Container Instances.

What are the steps in deployment of a website in Azure? ›

  1. Introduction 2 min.
  2. Create a web app in the Azure portal 6 min.
  3. Exercise - Create a web app in the Azure portal 5 min.
  4. Prepare the web application code 3 min.
  5. Exercise - Write code to implement a web application 5 min.
  6. Deploy code to App Service 3 min.
  7. Exercise - Deploy your code to App Service 5 min.
  8. Summary 2 min.

How do I automate Azure deployment? ›

To automate your infrastructure, you can use Azure Bicep. To configure virtual machines (VMs), you can use cloud-init (for Linux VMs) or Azure Automation State Configuration (DSC). To automate application deployment, you can use Azure DevOps Services, GitHub, Jenkins, or other CI/CD solutions.

What is the easiest way to deploy React app? ›

1. Firebase
  1. To deploy React app into Firebase, you must first install firebase-tools. ...
  2. After installing Firebase, log in to your firebase account.
  3. After logging in, go to the project directory and run Firebase init . ...
  4. Once you've successfully created the project, run Firebase deploy to deploy the files from the directory.
Feb 28, 2023

How do I build my React app? ›

Steps to Build an App with Create React App
  1. Step 1: Install Create React App. ...
  2. Step 2: Overview of React App Structure. ...
  3. Step 3: Starting the React App Development Server. ...
  4. Step 4: Using the React Testing Library to Run Tests. ...
  5. Step 5: Modifying the Meta Data for the App. ...
  6. Step 6: Using Assets like Images.
Nov 6, 2022

How do I deploy React app on virtual machine? ›

Let's jump into the step-by-step tutorial for deploying our application.
  1. Code Modifications. ...
  2. Create the Optimized Production Build. ...
  3. Create a Virtual Machine. ...
  4. Connect to the Virtual Machine. ...
  5. Configure the Virtual Machine. ...
  6. Moving Source Code Into the Virtual Machine. ...
  7. Running the App.
Aug 24, 2022

How do I deploy React in Azure DevOps? ›

  1. Step 1: Creating the React App and Test Locally. ...
  2. Step 2: Configure Azure App Service. ...
  3. Step 3: Create the Azure DevOps Project and connect to the App service instance. ...
  4. Step 4: Create a Build Pipeline. ...
  5. Step 5: Creating the release pipeline and Deploying to Azure.

What is the first command to create a Reactjs? ›

Open up your terminal.
  1. If you've previously installed create-react-app globally via npm install -g create-react-app , it is recommended that you uninstall the package first. ...
  2. If you've never installed create-react-app before, you can simply run this command: npx create-react-app myfirstreactapp.

What is the command to build a React project? ›

Create a new React project. Once the React installation is successful, we can create a new React project using create-react-app command. Here, I choose "reactproject" name for my project.

How do I deploy code in Azure function app? ›

From the Azure portal:
  1. Sign in to the Azure portal, and then go to your function app.
  2. On the Overview tab, select Download app content. Select your download options, and then select Download. The downloaded . zip file is in the correct format to be republished to your function app by using . zip push deployment.
Apr 8, 2023

How do I deploy code in Azure VM? ›

Go to the Azure portal, then search for and select Azure Compute Gallery. Select the gallery you want to use from the list. On the page for your gallery, select Add from the top of the page and then select VM application definition from the drop-down. The Create a VM application definition page will open.

How do I deploy a Web app to Azure vs code? ›

Right click the bin\Publish folder and select Deploy to Web App... and follow the prompts.
  1. Select the subscription where the Azure Web App resource is located.
  2. Select the Azure Web App resource to which you will publish.
  3. Select Deploy when prompted with a confirmation dialog.
Aug 30, 2022

Which kind of applications can be deployed on Azure? ›

Develop and deploy web apps at any scale using . Net Core, Java, Docker, Node. js, and more. Launch websites quickly, with broad CMS support from the Azure Marketplace.

What methods can be used to deploy apps to Azure App Service? ›

Additional resources
  • Run your app from a ZIP package - Azure App Service. ...
  • Configure Node.js apps - Azure App Service. ...
  • App Service on Linux FAQ. ...
  • Configure continuous deployment - Azure App Service. ...
  • az webapp deployment.
  • az webapp deployment source.
  • Environment variables and app settings reference - Azure App Service.
Mar 8, 2023

How do I deploy React app to hosting server? ›

  1. Serving the Same Build from Different Paths​
  2. Step 1: Add homepage to package.json ​
  3. Step 2: Install gh-pages and add deploy to scripts in package.json ​
  4. Step 3: Deploy the site by running npm run deploy ​
  5. Step 4: For a project page, ensure your project's settings use gh-pages ​
  6. Step 5: Optionally, configure the domain​
Jan 12, 2022

How do you call Azure function from React app? ›

You can find the documentation for the Microsoft project here.
  1. Deploy the Azure Function App. ...
  2. Deploy the Azure Web App. ...
  3. Create ReactJS App Registration. ...
  4. Create Backend App Registration. ...
  5. Allow ReactJS Web App to Access Backend App API. ...
  6. Function App CORS Configuration. ...
  7. Secure the Function App with Authentication.
May 30, 2022

How do I host React app in Azure Blob Storage? ›

  1. Go to Your blob storage account.
  2. Clicked Access Control (IAM)
  3. Click Role Assignment (RBAC)
  4. Click Add > Add Role assignment.
  5. Select Role as per your need like Storage Blob Data Reader.
  6. Click Next > Select Managed Identity > Select Member.
  7. Then Select your Subscription then App Service.
Nov 10, 2022

What is serverless not good for? ›

Loss of control: configuration

An obvious limitation of Serverless is a loss of absolute control over configuration. For example, in the AWS Lambda FaaS platform, there are a very limited number of configuration parameters available, and no control whatsoever over JVM or operating system runtime parameters.

What are the advantages of serverless Azure? ›

Serverless computing enables developers to build applications faster by eliminating the need for them to manage infrastructure. With serverless applications, the cloud service provider automatically provisions, scales, and manages the infrastructure required to run the code.

How long does serverless deploy take? ›

So the entire app takes 40-160 mins to deploy. Now you can optimize this a little by caching the node_modules/ directories.

How do I deploy an app to serverless? ›

You have two main options for using AWS SAM to deploy your serverless applications: 1) Modify your existing pipeline configuration to use AWS SAM CLI commands, or 2) Generate an example CI/CD pipeline configuration that you can use as a starting point for your own application.

How do I host a serverless application? ›

You can build a serverless web application by using several AWS services together. Each service is fully managed and does not require you to provision or manage servers. You only need to configure them together and upload your application code to AWS Lambda, a serverless compute service.

Is Azure API app serverless? ›

Serverless Application Environments

Run and scale web, mobile, and API applications on the platform of your choice—in a high-productivity, fully managed environment—with Azure App Service.

Why Azure function is called serverless? ›

Azure Functions is a serverless solution that allows you to write less code, maintain less infrastructure, and save on costs. Instead of worrying about deploying and maintaining servers, the cloud infrastructure provides all the up-to-date resources needed to keep your applications running.

What is the difference between Azure container and serverless? ›

Serverless runs on specific hosting platforms, most of which are based in public clouds, such as AWS Lambda and Azure Functions. Containers can easily be run in a local data center or on a developer's workstation. Serverless is more difficult to run outside a public cloud environment.

Which language is best for serverless applications? ›

I recommend either JavaScript (TypeScript) or Python. The reason I recommend these two languages is that most of the companies that will be using Serverless Architecture will be using one of these two languages.

What are the 5 steps of deployment? ›

The Five Stages

These stages are comprised as follows: pre-deployment, deployment, sustainment, re-deployment and post-deployment. Each stage is characterized both by a time frame and specific emotional challenges, which must be dealt with and mastered by each of the Family members.

What are the 3 deployment modes that can be used for Azure? ›

Azure supports three approaches to deploying cloud resources - public, private, and the hybrid cloud. Selecting between them will change several factors of the services you move into Azure including cost, maintenance requirements, and security.

What are the three phases of Azure services? ›

The service life cycle and the services you can access are as follows: Development: Not available to the public. Private preview: Available only to a selected audience. Public preview: Available to all customers.

How many ways we can deploy in Azure? ›

You can do this in two ways: Create a Linux function app on an Azure App Service plan in the Azure portal. For Publish, select Docker Image, and then configure the container.

What is Azure Web App How do you create and deploy? ›

To deploy to any Azure App service (Web app for Windows, Linux, container, Function app or web jobs), use the Azure App Service Deploy task. This task is automatically added to the release pipeline when you select one of the prebuilt deployment templates for Azure App Service deployment.

How do I deploy an app to Azure for free? ›

Creating Free Azure Service

Login to Azure Portal. Click on App Services and you will see your App Services panel as shown below (you will see your services listed if you have any; which were created previously). Click on "+Add" and choose Web App from the screen. From the next screen, click on "Create".

How do I build and deploy React app to Netlify? ›

On Netlify's dashboard, select the Site tab. Next, click on Add new site and then select Deploy manually from the drop-down menu options. In the drag-and-drop feature page, select the folder containing the React build files and drop it into this user interface. The project will instantly deploy on Netlify.

How do I deploy an existing app to Azure? ›

Deploy the app self-contained
  1. Right-click the project in Solution Explorer and select Publish. ...
  2. In the Publish dialog, select Azure > Next.
  3. Select the Azure service.
  4. Select Advanced. ...
  5. Select a Resource group and Hosting plan, or create new ones.
  6. Select Finish.
  7. In the Publish page:
Mar 21, 2023

How do I deploy an app to Azure? ›

Navigate to your app in the Azure portal and select Deployment Center under Deployment. Follow the instructions to select your repository and branch. This will configure a DevOps build and release pipeline to automatically build, tag, and deploy your container when new commits are pushed to your selected branch.

What is build command for react app in Netlify? ›

If your site is built with Create React App, Netlify provides a suggested build command and publish directory: react-scripts build and build . If you're using the Netlify CLI to run Netlify Dev for a local development environment, Netlify also suggests a dev command and port: react-scripts start and 3000 .

Where do I deploy react app? ›

Where to host your React app for free
  1. Netlify.
  2. Vercel.
  3. AWS Amplify.
  4. Firebase.
  5. GitHub Pages.
  6. GitLab Pages.
  7. Render.
  8. Surge.
Dec 29, 2022

How do I deploy a frontend in Netlify? ›

How to Deploy a Site to Netlify
  1. Login or signup on if you are a new user. ...
  2. As shown below, all you need is to select a site from Git by clicking on the button with the name “New site from Git”.
  3. You will see the interface below where you can choose the Git provider where your site source code is hosted.
Jan 9, 2021

How do I manually deploy a web app to Azure? ›

To get started:
  1. Create a pipeline and select the ASP.NET Core template. ...
  2. Save the pipeline and queue a build to see it in action.
  3. Create a release pipeline and select the Azure App Service Deployment template for your stage. ...
  4. Link the build pipeline as an artifact for this release pipeline.
Oct 18, 2022

How do I deploy an app to the cloud? ›

Before you begin
  1. Create a Google Cloud project with an App Engine app.
  2. Write a Node. js web server ready to deploy on App Engine.
  3. Install Google Cloud CLI, which provides the gcloud command-line tool. Ensure gcloud is configured to use the Google Cloud project you want to deploy to.

How do I deploy React app to VM? ›

Let's jump into the step-by-step tutorial for deploying our application.
  1. Code Modifications. ...
  2. Create the Optimized Production Build. ...
  3. Create a Virtual Machine. ...
  4. Connect to the Virtual Machine. ...
  5. Configure the Virtual Machine. ...
  6. Moving Source Code Into the Virtual Machine. ...
  7. Running the App.
Aug 24, 2022

How do I deploy React app and server? ›

For your React app, you'll have to drag and drop the build folder onto the Netlify Dashboard. Run npm run build beforehand to deploy the latest build. You can also connect GitHub, GitLab, or Bitbucket, depending on where your project is stored. This allows automatic deployment whenever you push your changes.

How do I deploy React app to my domain? ›

GitHub Pages​
  1. Step 1: Add homepage to package.json ​ The step below is important! ...
  2. Step 2: Install gh-pages and add deploy to scripts in package.json ​ ...
  3. Step 3: Deploy the site by running npm run deploy ​ ...
  4. Step 4: For a project page, ensure your project's settings use gh-pages ​ ...
  5. Step 5: Optionally, configure the domain​
Jan 12, 2022


1. How to build serverless APIs with Azure Functions | Azure Tips and Tricks
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2. How to host a React App on Azure
(Jose Antonio)
3. Build and deploy Node.js and React apps with Visual Studio Code, Azure App Service and Cosmos DB
(Microsoft Visual Studio)
4. Deploy React App to Azure App Service with VSCode
5. Deploy ReactJS application to Azure cloud using 3 different ways | FTP | Kudu | CI/CD DevOps
(Techies Lounge)
6. Walktrough: Deploy a React App on Azure Static Web Apps in less than 5 minutes
(Christian Glessner)


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