Imports github.com/aws/aws-sdk-go/aws github.com/aws/aws-sdk-go/aws/credentials github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/dynamodb github.com/aws/aws-sdk-go/service/s3 github.com/aws/aws-sdk-go/service/sts Standard library imports fmt log os