Imports
- github.com/aws/aws-sdk-go/aws
- github.com/aws/aws-sdk-go/aws/session
- github.com/aws/aws-sdk-go/service/dynamodb
- github.com/aws/aws-sdk-go/service/dynamodb/dynamodbattribute
- github.com/aws/aws-sdk-go/service/dynamodb/expression
- github.com/aws/aws-sdk-go/service/s3/s3manager