Sample using AWS Amplify and AWS AppSync together for user login and authorization when making Graph...
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This sample application shows how to use GraphQL to build an application that a user can login to the system, then upload and download photos which are private to them. The sample is written in React and uses AWS AppSync, Amazon Cognito, Amazon DynamoDB and Amazon S3 as well as the Amplify CLI.
git clone https://github.com/aws-samples/aws-amplify-graphql.git cd aws-amplify-graphql
amplify add auth
amplify add storage
amplify add api
When prompted for a schema.graphql provide the value "schema.graphql"
to point to the file checked in to the root of the project directory.
After running this command, you edit the schema.graphql located atamplify/backend/api//schema.graphql. You may delete the one at the root of the project directory as it will no longer be used.
When asked if you would like to generate client code, you can
npm run start
The AWS Amplify CLI will create an Amazon Cognito User Pool and Identity Pool, an Amazon S3 bucket with private directories to store each user's photo and an AWS AppSync API that uses Amazon DynamoDB to store data.
The sample uses AWS Amplify to perform the Sign-Up and Sign-In flows with a Higher Order Component.
If the application runs successfully you should be able to enter the name of a photo, choose a file and then press Add photo. This will make a GraphQL call to enter the record into the database and simultaneously upload the object to S3. An immediate fetch of the record will then be at the bottom of the screen.