To get started, install the AWS CDK on your local machine. The AWS CDK lets you build reliable, scalable, cost-effective applications in the cloud with the considerable expressive power of a programming language. Getting started with your MySQL database in AWS CDK You can subscribe to any CRUD events from any data model with a few lines of code. Because the generated API is built on AWS AppSync‘ GraphQL capabilities, secure real-time subscriptions are available out of the box. With one line of code, you can add any of the existing Amplify GraphQL authorization rules to your API, making it seamless to build use cases such as owner-based authorization or public read-only patterns. For example, a database table is called “todos” (plural, lowercase) but is exposed as “ToDo” (singular, PascalCase) to the client. You can also rename your data models to be more idiomatic for the frontend. When you simply provide any MySQL or PostgreSQL database information, whether behind a virtual private cloud (VPC) or publicly accessible on the internet, AWS Amplify automatically generates a modifiable GraphQL API that securely connects to your database tables and exposes create, read, update, or delete (CRUD) queries and mutations. You can continue to use the regular aphql files to create and manage DynamoDB-backed types. Relational database information is generated to a separate file. You can now use types of Amplify GraphQL APIs for both relational database and DynamoDB data sources. However, customers wanted to use relational database sources for their GraphQL APIs such as their Amazon RDS or Amazon Aurora databases in addition to Amazon DynamoDB. This new GraphQL Transformer was redesigned from the ground up to generate extensible pipeline resolvers to route a GraphQL API request, apply business logic, such as authorization, and communicate with the underlying data source, such as Amazon DynamoDB. In 2021, we announced AWS Amplify GraphQL Transformer version 2, enabling developers to develop more feature-rich, flexible, and extensible GraphQL-based app backends even with minimal cloud expertise. When your database schema changes, you can run a command to apply the latest table schema changes. You can now generate the entire API for all relational database operations with just your database endpoint and credentials. Today we are announcing the general availability to connect and query your existing MySQL and PostgreSQL databases with support for AWS Cloud Development Kit (AWS CDK), a new feature to create a real-time, secure GraphQL API for your relational database within or outside Amazon Web Services (AWS).
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