Imports github.com/aws/aws-sdk-go-v2/aws github.com/aws/aws-sdk-go-v2/config github.com/aws/aws-sdk-go-v2/credentials github.com/aws/aws-sdk-go-v2/service/s3 github.com/aws/aws-sdk-go-v2/service/s3/types github.com/caddyserver/certmagic Standard library imports bytes context errors fmt io/ioutil log path/filepath strings time