Leverage Cognito user pools to manage user accounts and set up an Amazon Cognito user pool authorizer in API Gateway to control access to the API. Set up a Lambda function to store the images as well as the image metadata in a DynamoDB table. Have the Lambda function retrieve previously uploaded images from DynamoDB

Use Cognito identity pools to create an IAM user for each user of the application during the sign-up process. Leverage IAM authentication in API Gateway to control access to the API. Set up a Lambda function to store the images in Amazon S3 and save the image object's S3 key as part of the photo details in a DynamoDB table. Have the Lambda function retrieve previously uploaded images by querying DynamoDB for the S3 key

Use Cognito identity pools to manage user accounts and set up an Amazon Cognito identity pool authorizer in API Gateway to control access to the API. Set up a Lambda function to store the images in Amazon S3 and save the image object's S3 key as part of the photo details in a DynamoDB table. Have the Lambda function retrieve previously uploaded images by querying DynamoDB for the S3 key

Leverage Cognito user pools to manage user accounts and set up an Amazon Cognito user pool authorizer in API Gateway to control access to the API. Set up a Lambda function to store the images in Amazon S3 and save the image object's S3 key as part of the photo details in a DynamoDB table. Have the Lambda function retrieve previously uploaded images by querying DynamoDB for the S3 key