Added error notification and causes on 403 docker push

Author: fluxxBot

artifactory/utils/container/image.go

@@ -152,8 +152,12 @@ func (image *Image) GetRemoteRepo(serviceManager artifactory.ArtifactoryServices
 	if err != nil {
 		return "", err
 	}
+	errorMessage := "error while getting docker repository name. Artifactory response: " + resp.Status + "."
+	if resp.StatusCode == http.StatusForbidden {
+		errorMessage = errorMessage + " Possible causes include Xray scan in progress, Xray policy violations, insufficient permissions, invalid authentication method, disabled anonymous access, missing Docker manifests. Please verify the above factors to resolve the issue."
+	}
 	if resp.StatusCode != http.StatusOK {
-		return "", errorutils.CheckErrorf("error while getting docker repository name. Artifactory response: " + resp.Status)
+		return "", errorutils.CheckErrorf(errorMessage)
 	}
 	if dockerRepo := resp.Header["X-Artifactory-Docker-Registry"]; len(dockerRepo) != 0 {
 		return dockerRepo[0], nil