3 files changed, 16 insertions, 5 deletions
diff --git a/pkg/api/handlers/compat/auth.go b/pkg/api/handlers/compat/auth.go
index 2244adc3d..cf53e060c 100644
--- a/pkg/api/handlers/compat/auth.go
+++ b/pkg/api/handlers/compat/auth.go
@@ -50,9 +50,19 @@ func Auth(w http.ResponseWriter, r *http.Request) {
 			Status:        "Login Succeeded",
 		})
 	} else {
-		utils.WriteResponse(w, http.StatusBadRequest, entities.AuthReport{
-			IdentityToken: "",
-			Status:        "login attempt to " + authConfig.ServerAddress + " failed with status: " + err.Error(),
+		var msg string
+
+		var unauthErr DockerClient.ErrUnauthorizedForCredentials
+		if errors.As(err, &unauthErr) {
+			msg = "401 Unauthorized"
+		} else {
+			msg = err.Error()
+		}
+
+		utils.WriteResponse(w, http.StatusInternalServerError, struct {
+			Message string `json:"message"`
+		}{
+			Message: "login attempt to " + authConfig.ServerAddress + " failed with status: " + msg,
 		})
 	}
 }
diff --git a/pkg/api/handlers/compat/images_push.go b/pkg/api/handlers/compat/images_push.go
index 07ff76819..8b6d3d56a 100644
--- a/pkg/api/handlers/compat/images_push.go
+++ b/pkg/api/handlers/compat/images_push.go
@@ -152,7 +152,7 @@ loop: // break out of for/select infinite loop
 		case err := <-pushErrChan:
 			if err != nil {
 				var msg string
-				if errors.Cause(err) != storage.ErrImageUnknown {
+				if errors.Is(err, storage.ErrImageUnknown) {
 					msg = "An image does not exist locally with the tag: " + imageName
 				} else {
 					msg = err.Error()
diff --git a/pkg/api/handlers/types.go b/pkg/api/handlers/types.go
index b82c586ea..fedab3bb3 100644
--- a/pkg/api/handlers/types.go
+++ b/pkg/api/handlers/types.go
@@ -183,7 +183,8 @@ func ImageToImageSummary(l *libimage.Image) (*entities.ImageSummary, error) {
 	}
 
 	is := entities.ImageSummary{
-		ID:           l.ID(),
+		// docker adds sha256: in front of the ID
+		ID:           "sha256:" + l.ID(),
 		ParentId:     imageData.Parent,
 		RepoTags:     imageData.RepoTags,
 		RepoDigests:  imageData.RepoDigests,