aws-appsync-community VS appsync-lambda-authorizers

For context; the web application is built with React and TypeScript which makes calls to an AppSync API that makes use of the Lambda and DynamoDB datasources. We use Step Functions to orchestrate the flow of events for complex processing like purchasing and renewing policies, and we use S3 and SQS to process document workloads.

AWS AppSync is a serverless GraphQL offering by AWS, previously I authored a blog about AWS AppSync 101 which gets you up to speed with the capabilities of AppSync and how you can leverage them in your serverless applications.

Amplify Studio's Data allows you to define Amazon DynamoDB keeping in mind the properties with the right type and also powered with AWS AppSync where which generates a GraphQL schema under the hood.

AWS AppSync I'm keeping this section a bit shorter for you all, since AppSync is not something I have actually used personally, but have heard great things about. AppSync is another API option AWS has made available specifically for applications that want to take advantage of GraphQL or a Publish/Subscribe model. The GraphQL model may be of interest to front end developers that need to query multiple sources of data from one API endpoint, like databases or microservices. The Pub/Sub model I am more familiar with in the IoT hardware-communicates-with-software aspect, however this is also powerful for frontend developers looking to take advantage of real-time updates with serverless WebSocket connections. With AppSync, you also have caching, offline data synchronization, and real-time updates. You can learn more and check out the developer docs on the AWS Website.

5. Amazon Appsync

Amplify is a set of tools that allows full-stack web and mobile developers to create and build apps. It makes using AWS services, like our Cognito identity and access management service, or our managed GraphQL service AppSync, much simpler and straight forward to use.

This was the top-voted, long-awaited request for AppSync.

Appsync is the AWS service focus on creating flexible APIs, and Amplify is the framework that combines multiple AWS tools to help you build any type of Application.

Check out AppSync (https://aws.amazon.com/appsync/) or Apollo, you can deploy Apollo app to AWS as serverless application.

The first version of this article was based on independently provision the needed AWS resources via CDK, on its own folder/project. Nevertheless in the AWS Community Builders Slack channel, I came to know that a related feature was being released by the AWS Amplify team which brought me to revisit the article with slightly different but cleaner implementation. This synthetizes the awesomeness of the program. You can find the before and after custom resources implementation in GitHub.