Is AppSync a GraphQL?

Is AppSync a GraphQL?

AWS AppSync provides a robust, scalable GraphQL interface for application developers to combine data from multiple sources, including Amazon DynamoDB, AWS Lambda, and HTTP APIs.

How do I test AppSync locally?

In the AppSync console, in the Schema tab, select a resolver and you will land into an “Edit resolver” page. Select the button “Select Test Context” to simulate a context received by your resolver. Then select “Run test”.

What is AppSync?

Posted On: Nov 28, 2017. AWS AppSync is a new service in Public Preview that enables you to manage and update mobile app data in real-time between devices and the cloud, and allows apps to interact with the data on the mobile device when it is offline.

Does AppSync use API gateway?

AWS AppSync is a fully managed AWS serverless service for real-time data queries, synchronization, and communications. In AppSync, AWS has a GraphQL-as-a-Service offering that makes it easy to build scalable and resilient GraphQL APIs in the cloud. Simply put, AppSync is to GraphQL what API Gateway is to REST APIs.

Is GraphQL an API gateway?

How can GraphQL be leveraged in an API gateway? It seems like it might be a perfect solution for interacting with multiple microservices, each dedicated to a single resource type. Well, the good news is that you can use GraphQL in your API Gateway, and it can live alongside standard REST routes.

What is amplify init?

The ‘amplify init’ command with a new ‘–app’ parameter clones the git repo, initializes the project, deploys the backend, and configures the frontend—whether a web, iOS, or Android application—to use the backend. You can then extend these generated templates to add commands, events, and configuration for your plugin.

What is amplify framework?

The Amplify Framework is an open source project for building cloud-enabled mobile and web applications, consisting of libraries, UI components, and an interactive CLI toolchain. Developers can extensively theme these UI components to suit their requirements using the capabilities powered by CSS variables.

Can I use AppSync without amplify?

Diving into the Amplify CLI codebase showed that it’s way less monolithic than it appeared initially. In fact, the GraphQL transformation logic is neatly encapsulated in separated modules, which can be easily used without the Amplify CLI.

Why use GraphQL vs Rest?

GraphQL solves both over-fetching and under-fetching issues by allowing the client to request only the needed data; Since the client now has more freedom in the fetched data, development is much faster with GraphQL than what it would be with REST. In REST, the resources’ size is defined by the server.

Should I use API gateway or ALB?

Apart from Lambda functions, ALB can route requests to EC2 instances, ECS containers, and IP addresses. It also integrates with AWS Cognito for user authentication and authorization purposes. API Gateway, on the other hand, is much better integrated with AWS’s managed services.

How does AppSync help with copy data management?

AppSync empowers application owners to self-service the demand for copy data. Storage administrators only need to perform initial setup and manage policies, resulting in agile and transformative application workflows.

How to set up AppSync in serverless.yml?

Now you can start setting up the AppSync application. Write the following code into the serverless.yml after the provider and before the functions:

What do you need to know about AWS AppSync?

AppSync is a serverless implementation of GraphQL by AWS and is a managed GraphQL platform. As mentioned in this article, AppSync can be a way to replace the API Gateway + AWS Lambda pattern for connecting clients to your serverless backends.

What does AWS AppSync do for GraphQL APIs?

AWS AppSync is a managed serverless GraphQL service that simplifies application development by letting you create a flexible API to securely access, manipulate, and combine data from one or more data sources with a single network call and API endpoint.