Imports github.com/aws/aws-sdk-go/aws/awserr github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/dynamodb/dynamodbattribute github.com/aws/aws-sdk-go/service/dynamodb/dynamodbiface github.com/aws/aws-sdk-go/service/dynamodb Standard library imports fmt log sync time