Imports github.com/aws/aws-sdk-go/service/cloudfront/sign Imports in module “github.com/docker/distribution” github.com/docker/distribution/context github.com/docker/distribution/registry/storage/driver github.com/docker/distribution/registry/storage/driver/middleware Standard library imports context crypto/x509 encoding/json encoding/pem fmt io/ioutil net net/http net/url strings sync time