Imports github.com/aws/aws-sdk-go/aws github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/s3 github.com/aws/aws-sdk-go/service/s3/s3manager github.com/jdeng/goheif github.com/joho/godotenv Standard library imports fmt image/jpeg io log os sort strings text/template time