Book Image

Rapid Application Development with AWS Amplify

By : Adrian Leung
Book Image

Rapid Application Development with AWS Amplify

By: Adrian Leung

Overview of this book

AWS Amplify is a modern toolkit that includes a command line interface (CLI); libraries for JS, iOS, and Android programming; UI component libraries for frameworks like React, Angular, and Vue.js for web development, and React Native and Flutter for mobile development. You'll begin by learning how to build AWS Amplify solutions with React and React Native with TypeScript from scratch, along with integrating it with existing solutions. This book will show you the fastest way to build a production-ready minimum viable product (MVP) within days instead of years. You'll also discover how to increase development speed without compromising on quality by adopting behavior-driven development (BDD) and Cypress for end-to-end test automation, as well as the Amplify build pipeline (DevOps or CI/CD pipeline) to ensure optimal quality throughout continuous test automation and continuous delivery. As you advance, you'll work with React to determine how to build progressive web apps (PWAs) with Amplify and React Native for cross-platform mobile apps. In addition to this, you'll find out how to set up a custom domain name for your new website and set up the AWS Amplify Admin UI for managing the content of your app effectively. By the end of this AWS book, you'll be able to build a full-stack AWS Amplify solution all by yourself.

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Table of Contents (14 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Download the example code files
Download the color images
Conventions used
Share Your Thoughts
1
Section 1: Getting Ready
Section 1: Getting Ready
Free Chapter
2
Chapter 1: Getting Familiar with the Amplify CLI and Amplify Console
Chapter 1: Getting Familiar with the Amplify CLI and Amplify Console
Technical requirements
Understanding the AWS Amplify CLI
Exploring Amplify Console
Understanding AWS Amplify hosting
Creating full-stack serverless web and native apps with AWS Amplify
Summary
3
Chapter 2: Creating a React App with AmplifyJS and TypeScript
Chapter 2: Creating a React App with AmplifyJS and TypeScript
Technical requirements
Creating a new project with React or React Native with TypeScript
Setting up the backend
Adding an API with GraphQL and DynamoDB
Integrating the GraphQL API with the ReactJS app
Launching the ReactJS app
Integrating the GraphQL API with the React Native and Expo apps
Launching the React Native and Expo apps
Summary
4
Section 2: Building a Photo Sharing App
Section 2: Building a Photo Sharing App
5
Chapter 3: Pluggable Amplify UI Components
Chapter 3: Pluggable Amplify UI Components
Technical requirements
Installing Amplify UI in the project
Adding Amplify UI components to a ReactJS project
Customizing Amplify UI components for ReactJS
Applying styling such as typography and colors to a ReactJS app
Adding Amplify UI components to a React Native project
Customizing Amplify UI components for Expo and React Native apps
Applying styling such as typography and colors to Expo and React Native apps
Summary
6
Chapter 4: User Management with Amplify Authentication
Chapter 4: User Management with Amplify Authentication
Technical requirements
Understanding AWS authentication
Signing up for the ReactJS app
Signing in and out of the ReactJS app
Signing up for the Expo and React Native apps
Signing in and out of the Expo and React Native apps
Summary
7
Chapter 5: Creating a Blog Post with Amplify GraphQL
Chapter 5: Creating a Blog Post with Amplify GraphQL
Technical requirements
Creating a blog post with Mutation for the ReactJS app
Finding a blog post with Query with ReactJS
Getting real-time updates with Subscriptions with ReactJS
Creating a blog post with Mutations for Expo and React Native
Finding a blog post with Query for Expo and React Native
Getting real-time updates with Subscriptions for Expo and React Native
Summary
8
Chapter 6: Uploading and Sharing Photos with Amplify Storage
Chapter 6: Uploading and Sharing Photos with Amplify Storage
Technical requirements
Adding the React Photo Picker UI component and Amplify Storage with ReactJS
Sharing an image with text as a blog post with ReactJS
Listing all the blog posts with real-time updates with ReactJS
Adding the Photo Picker component with Amplify Storage with Expo and React Native
Sharing an image with text as a blog post with React Native and Expo
Listing all the blog posts with real-time updates with React Native and Expo
Summary
9
Section 3: Production Readiness
Section 3: Production Readiness
10
Chapter 7: Setting Up an Amplify Pipeline
Chapter 7: Setting Up an Amplify Pipeline
Technical requirements
Enabling the Amplify DevOps pipeline
Adding the YAML file
Enabling email notifications
Troubleshooting techniques
Triggering the pipeline
Summary
11
Chapter 8: Test Automation with Cypress
Chapter 8: Test Automation with Cypress
Technical requirements
Setting up Cypress with Cucumber
Understanding the workflow to leverage BDD
Writing executable User Stories in Gherkin
Writing test cases as step definitions with TypeScript
Integrating Cypress with the DevOps pipeline
Summary
12
Chapter 9: Setting Up a Custom Domain Name and the Amplify Admin UI
Chapter 9: Setting Up a Custom Domain Name and the Amplify Admin UI
Technical requirements
Adding a custom domain name to AWS Route 53
Adding a custom domain name using a third-party DNS provider
Setting up the Amplify Admin UI (beta)
Walking through the Amplify Admin UI
Summary
Why subscribe?
13
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Launching the React Native and Expo apps

For the Expo project, we will test the web, iOS, and Android versions:

  1. Let's test out the web version first by entering the yarn web command in a Terminal:

    Figure 2.8 – The Expo CLI will show you the local URL and open it in your browser

  2. A browser will open. It will start the metro builder and compile the web version of the app:

    Figure 2.9 – Compiling the web version of the app

  3. Once the compilation is complete, a new tab will open in your browser automatically. You will see that the app is running, as shown in the following screenshot:

Figure 2.10 – The Expo to-do app running in a browser

As you can see, the styling of the Expo and React Native apps has been optimized for mobile, so the button and the input fields have been stretched across the screen. If you want to make this look nicer, you can add a fixed width for the button and input fields. Let's press Ctrl + C in...

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