The Next JS AWS Amplify Gen2 architecture diagram is a powerful tool for building scalable web apps. It's a game-changer for developers who want to create fast, secure, and reliable applications.
At its core, the Next JS AWS Amplify Gen2 architecture diagram is built around a microservices architecture, which allows for greater flexibility and scalability. This is achieved through the use of serverless functions and event-driven architecture.
With Next JS and AWS Amplify Gen2, you can build web apps that are highly available and fault-tolerant. This is made possible by the use of Amazon S3 for static asset hosting and Amazon API Gateway for API management.
The Next JS AWS Amplify Gen2 architecture diagram also includes a robust authentication and authorization system, using AWS Cognito for user identity management and AWS IAM for access control. This ensures that your web app is secure and compliant with industry standards.
Setup and Configuration
To set up and configure Amplify in your Next.js project, start by creating a new directory and running the command `npx create-next-app@latest ./ --ts --use-npm` to create a new application. This will create a basic Next.js project with TypeScript and npm as the package manager.
Next, install Amplify using `npm install aws-amplify@latest`. You'll then need to configure it, which will vary depending on the framework you're using. For Next.js with AppRouter, create a new file `src/app/providers.tsx` and populate it with the Amplify configuration code. This code will use default values, which you can override later.
To test that everything is working, run `npm run dev` to start the development server, and open your browser to verify that the application is working fine.
Amplify Auth Configuration
To configure Amplify auth, you need to have the configurations of AWS Cognito after creating a user pool.
You'll need to configure Amplify on both client side and server side to use its methods wherever necessary.
Create a client component inside the components folder to configure Amplify on the client side.
This client component should be imported in the Root Layout file inside the body of the HTML.
The final Root Layout file should have AWS-Amplify set up and configured in Next.js 14.
This allows you to use the implementations for login, sign in, logout, get user information, etc.
You can check out the official documentation for guidance on configuring Amplify for other frameworks.
In Next.js, you can configure Amplify by creating a new file src/app/providers.tsx and populating it with the necessary code.
You can leave the configuration values empty and override them later when needed.
Modifying the src/app/layout.tsx file is also necessary to wrap the application with the new Providers component.
This involves adding the import for the Providers component and using it to wrap the content for each page.
For sanity check, you can run the app using npm run dev to ensure everything is working fine.
By default, this will host the Next.js application on http://localhost:3000.
To test Amplify specifically, you can add a simple Amplify UI component to the application.
This involves installing the Amplify UI React library using npm install @aws-amplify/ui-react.
You can then add an Amplify component to the main page, right at the bottom but before the footer.
Server Side Configuration:
In Nextjs 14, you need to configure aws-amplify on the server side by enabling the ssr flag during Amplify configuration. This is a change from prior versions.
aws-exports should consist of specific parameters for server side configuration. The optional argument is used while configuring aws-amplify in v6.
Server components cannot access browser local storage, so cookie storage is used to store Cognito identities. This is a requirement for server side configuration.
To run amplify server methods, a server runner is used. The @aws-amplify/adapter-nextjs package provides the method for it.
You'll need to create a util in utils/amplify-server-util.ts to use amplify server methods, which requires the nextServerContext. This util will be used later in the guide.
Amplify Configuration
To configure Amplify in a Next.js project, start by creating a new directory and running the command `npx create-next-app@latest ./ --ts --use-npm` to create a new application. Then, install Amplify using `npm install aws-amplify@latest`.
You'll need to configure Amplify, which involves creating a new file `src/app/providers.tsx` and populating it with the necessary code. This file will serve as the entry point for Amplify configuration. Amplify will use default values when you make the call to `Amplify.configure({})`, which you can override later.
To test that Amplify is working, add a simple Amplify UI component to the application and run it again. This will verify that Amplify is correctly configured and functioning as expected.
Implement Login UI
To implement the login UI, you'll need to import the Authenticator UI component into your app/layout.tsx file and wrap the children or pages components. This will auto-detect your auth backend settings and render the correct UI state based on the auth backend's authentication flow.
The starter application already has a pre-configured auth backend defined in the amplify/auth/resource.ts file, supporting email and password login, as well as other login mechanisms like Google, Amazon, Sign In With Apple, and Facebook.
Amplify
Amplify is a powerful tool that allows you to streamline database actions and ensure security with user authentication.
You can configure Amplify on both client-side and server-side to use its methods wherever necessary. This requires having the configurations of AWS Cognito after creating a user pool.
To set up Amplify on the client-side, you need to create a client component inside the components folder that configures Amplify.
You can import this component in the Root Layout file inside the body of the HTML. This will allow you to use Amplify's implementations for login, sign in, logout, and getting user information.
Amplify Gen2 flexes its muscles by streamlining DB actions, from data entry to deletions, all while ensuring security with user authentication.
Sources
- https://docs.amplify.aws/nextjs/start/quickstart/nextjs-app-router-client-components/
- https://medium.com/@codingmatheus/setting-up-next-js-with-aws-amplify-8af474a583ab
- https://articles.wesionary.team/next-js-14-aws-amplify-authentication-how-to-setup-and-configure-in-your-app-f30b70bc9377
- https://www.infoq.com/news/2024/05/aws-amplify-gen2/
- https://codingcat.dev/podcast/cwcc-1-2-aws-amplify
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