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/dynamodbiface Standard library imports bufio encoding/base64 encoding/json fmt os strings