Fix outdated image checker (#3069)

Fixes #3066
microsoft · Jul 15, 2021 · f5fb52a · f5fb52a
1 parent 26a267e
commit f5fb52a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/tree/images/imageChecker/OutdatedImageChecker.ts b/src/tree/images/imageChecker/OutdatedImageChecker.ts
@@ -116,6 +116,6 @@ export class OutdatedImageChecker {
             return request;
         });
 
-        return manifestResponse.headers['docker-content-digest'];
+        return manifestResponse.headers.get('docker-content-digest') as string;
     }
 }