How one can Deploy React App to S3 and CloudFront


If you need to deploy a React App to AWS S3 and AWS CloudFront, then you’ll be able to observe this information.

The next answer creates a React App and deploys it to S3 and CloudFront utilizing the consumer’s CLI.
It additionally chains instructions so {that a} React construct, S3 sync and CloudFront invalidation can happen with a single command.

Code obtainable at GitHub

https://github.com/ao/deploy-react-to-s3-cloudfront

Goal Structure

Create a listing for the applying:

mkdir deploy_react && cd $_

Code language: Bash (bash)

Create the React App utilizing create-react-app from npx:

npx create-react-app sample-react-app

Code language: Bash (bash)

(Elective) Open the venture in VS Code:

code .

Code language: Bash (bash)

Change listing and run the app:

cd sample-react-app<br>npm begin

Code language: Bash (bash)

Now we have to set up react-router-dom in order that we will change routes between pages in our React app.

npm i react-router-dom

Code language: Bash (bash)

As soon as that is executed, we will edit our code earlier than shifting onto the deployment steps.

Open the App.js file below the src listing and change all of the code within the file with the next:

import './App.css'; import React from "react"; import { BrowserRouter as Router, Routes, Route, Hyperlink } from "react-router-dom"; const Dwelling = () => { return <h2>Dwelling</h2> } const About = () => { return <h2>About</h2> } operate App() { return ( <div className="App"> <Router> <div> <nav> <ul> <li> <Hyperlink to="/">Dwelling</Hyperlink> </li> <li> <Hyperlink to="/about">About</Hyperlink> </li> </ul> </nav> <div className="content material"> <Routes> <Route path="/about" factor={<About />} /> <Route path="/" factor={<Dwelling />} /> </Routes> </div> </div> </Router> </div> ); } export default App;

Code language: JavaScript (javascript)

Open the App.css file as change it with the next:

ul { padding: ; } li { show:inline; padding: 10px; } .content material { padding: 10px; }

Code language: CSS (css)

If we run the React app with npm begin, we are going to now see the next:

If we click on on About within the navigation, the web page modifications and reveals the About element.

Head over to the S3 console and create a brand new bucket.
Give it a singular bucket identify and click on Create bucket.

We now have a brand new bucket, with nothing inside.

Head over to CloudFront and create a distribution:

Choose the Origin area, which would be the newly created S3 bucket.
Specify a Title. Be aware that it’s going to create one for you from the Origin area by default for those who don’t specify one your self.

For S3 bucket entry, Select Sure use OAI, create a brand new OAI and choose Sure for the Bucket coverage Replace.

Beneath Default cache conduct, choose Redirect HTTP to HTTPS.

Beneath Settings, specify the Default root object to be index.html

Go away all different fields as is and click on Create distribution.

You’ll now see a distribution being created for you.

Be aware that this can take a few minutes to prepare,

Within the bundle.json file, below src/, find the next scripts strains:

"scripts": { "begin": "react-scripts begin", "construct": "react-scripts construct", "take a look at": "react-scripts take a look at", "eject": "react-scripts eject" },

Code language: JSON / JSON with Feedback (json)

Right here we are going to add some extra choices:
We’ll add a brand new script referred to as deploy-to-s3 and it’ll run the next command:
aws s3 sync construct/ s3://<your_s3_bucket_name>

Be aware that you may additionally specify an AWS_PROFILE right here as follows if wanted:
aws s3 sync construct/ s3://<your_s3_bucket_name> --profile <profile_name>

Replace the scripts part to look as beneath, however change your individual S3 bucket identify inplace:

"scripts": { "begin": "react-scripts begin", "construct": "react-scripts construct", "deploy-to-s3": "aws s3 sync construct/ s3://sample-react-app-123654789", "take a look at": "react-scripts take a look at", "eject": "react-scripts eject" },

Code language: JSON / JSON with Feedback (json)

Now we have to create a construct of our React app, in order that we will push it’s contents to S3.
To do that, run the next command:
npm run construct

Then deploy it to S3 as follows:
npm run deploy-to-s3

Now if we glance within the S3 console, we will see the recordsdata that have been deloyed:

We now must setup the CloudFront pages, which we are going to do by means of the CloudFront console.

Beneath the CloudFront distribution, click on Create customized error response.
We do that as a result of React is a Single Web page Software (SPA) and no bodily recordsdata exist on the server for the totally different Routes that we’ve specified. They’re all dynamic.
For instance, /about doesn’t exist as a logical path on the drive, or server. So as a substitute, it will likely be a 404 Not Discoveredwhen referred to as upon. So due to this fact, we are going to inform CloudFront that for all 404 Not Discovered paths, we wish index.html to deal with them.
Keep in mind that index.html is the trail for the place React initializes.

To this finish, create a 404 Not Discovered customized error response, that factors to our /index.html file, with a standing of 200 OK:

Additionally create a 403 Forbidden customized error response, that factors to our /index.html file, with a standing of 200 OK:

As soon as each have been created, the Error pages ought to have two (2) entries as follows:

If we don’t create these, then we are going to get the AccessDenied error when attempting to entry any of the Routes we specified within the React app, which seem like this:

Now as a substitute, we will see the precise Route itself:

Everytime we replace the CloudFront distribution, by deploying new recordsdata to S3, we have to Invalidate the recordsdata.

Head over to the bundle.json file from earlier than and add one other command below the one we simply added:
It should look one thing like this:

aws cloudfront create-invalidation --distribution-id <distribution_id> --paths '/*' --profile <profile_name>

Code language: Bash (bash)

You don’t must specify the --profile argument, except you want to.

We will get the Distribution ID from CloudFront itself:

Replace this new part as follows, bear in mind to exchange your --distribution-id:

"scripts": { "begin": "react-scripts begin", "construct": "react-scripts construct", "deploy-to-s3": "aws s3 sync construct/ s3://sample-react-app-123654789", "invalidate-cloudfront": "aws cloudfront create-invalidation --distribution-id EIAUK8JFBCT6S -- paths '/*'", "take a look at": "react-scripts take a look at", "eject": "react-scripts eject" },

Code language: JSON / JSON with Feedback (json)

In case you run that step alone, you’ll get a verification as follows:

{ "Location": "https://cloudfront.amazonaws.com/2020-05-31/distribution/EIAUK8JFBCT6S/invalidation/I17X51041BLJHR", "Invalidation": { "Id": "I17X51041BLJHR", "Standing": "InProgress", "CreateTime": "2022-08-17T18:16:56.890000+00:00", "InvalidationBatch": { "Paths": { "Amount": 1, "Gadgets": [ "/*" ] }, "CallerReference": "cli-1660760215-662979" } } }

Code language: JSON / JSON with Feedback (json)

Now that we’ve each the steps we’d like, let’s create an mixture command that may tie every little thing collectively, in order that we solely must run a single command every time:

We’ll add the next script:

"deploy": "npm run construct && npm run deploy-to-s3 && npm run invalidate-cloudfront",

Code language: JSON / JSON with Feedback (json)

So as soon as we’ve added it to the scripts block, it’s going to all seem like this:

"scripts": { "begin": "react-scripts begin", "construct": "react-scripts construct", "deploy-to-s3": "aws s3 sync construct/ s3://sample-react-app-123654789", "invalidate-cloudfront": "aws cloudfront create-invalidation --distribution-id EIAUK8JFBCT6S --paths '/*'", "deploy": "npm run construct && npm run deploy-to-s3 && npm run invalidate-cloudfront", "take a look at": "react-scripts take a look at", "eject": "react-scripts eject" },

Code language: JSON / JSON with Feedback (json)

This now means we’ve a single command to construct our React App, sync the recordsdata to S3, and invalidate the recordsdata in CloudFront, as a chained command.

If we take the present state of the deployed utility on CloudFront, it appears to be like like this:

If we open the App.js file and create a brand new Route:

<Route path="/testing" factor={<Testing />} />

Code language: HTML, XML (xml)

Which is added as follows:

<div className="content material"> <Routes> <Route path="/about" factor={<About />} /> <Route path="/testing" factor={<Testing />} /> <Route path="/" factor={<Dwelling />} /> </Routes> </div>

Code language: HTML, XML (xml)

Then add a brand new element for Testing:

const Testing = () => { return <h2>Testing</h2> }

Code language: JavaScript (javascript)

Then add a brand new nav merchandise:

<li> <Hyperlink to="/testing">Testing</Hyperlink> </li>

Code language: HTML, XML (xml)

Now all we have to do to see the modifications deployed, is run the next command:

npm run deploy

It will cycle by means of our steps and produce the next output:

> [email protected] deploy > npm run construct && npm run deploy-to-s3 && npm run invalidate-cloudfront > [email protected] construct > react-scripts construct Creating an optimized manufacturing construct... Compiled efficiently. File sizes after gzip: 50.75 kB construct/static/js/important.95dbd789.js 1.79 kB construct/static/js/787.7c33f095.chunk.js 301 B construct/static/css/important.58e1094f.css The venture was constructed assuming it's hosted at /. You may management this with the homepage area in your bundle.json. The construct folder is able to be deployed. Chances are you'll serve it with a static server: npm set up -g serve serve -s construct Discover out extra about deployment right here: https://cra.hyperlink/deployment > [email protected] deploy-to-s3 > aws s3 sync construct/ s3://sample-react-app-123654789 add: construct/asset-manifest.json to s3://sample-react-app-123654789/asset-manifest.json add: construct/static/js/787.7c33f095.chunk.js.map to s3://sample-react-app-123654789/static/js/787.7c33f095.chunk.js.map add: construct/index.html to s3://sample-react-app-123654789/index.html add: construct/robots.txt to s3://sample-react-app-123654789/robots.txt add: construct/manifest.json to s3://sample-react-app-123654789/manifest.json add: construct/static/js/787.7c33f095.chunk.js to s3://sample-react-app-123654789/static/js/787.7c33f095.chunk.js add: construct/favicon.ico to s3://sample-react-app-123654789/favicon.ico add: construct/static/css/important.58e1094f.css.map to s3://sample-react-app-123654789/static/css/important.58e1094f.css.map add: construct/static/css/important.58e1094f.css to s3://sample-react-app-123654789/static/css/important.58e1094f.css add: construct/logo512.png to s3://sample-react-app-123654789/logo512.png add: construct/logo192.png to s3://sample-react-app-123654789/logo192.png add: construct/static/js/important.95dbd789.js.LICENSE.txt to s3://sample-react-app-123654789/static/js/important.95dbd789.js.LICENSE.txt add: construct/static/js/important.95dbd789.js to s3://sample-react-app-123654789/static/js/important.95dbd789.js add: construct/static/js/important.95dbd789.js.map to s3://sample-react-app-123654789/static/js/important.95dbd789.js.map > [email protected] invalidate-cloudfront > aws cloudfront create-invalidation --distribution-id EIAUK8JFBCT6S --paths '/*'
Code language: plaintext (plaintext)

Now we will refresh the browser and we are going to see our new Route added and linked to our new TestingComponent as quickly because the CloudFront invalidations have accomplished.

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