GitLab only supports 2 retires.

.gitlab-ci.yml

@@ -21,7 +21,7 @@ test_web:
 
 build_web:
   stage: build
-  retry: 3
+  retry: 2
   image:
     name: gcr.io/kaniko-project/executor:debug
     entrypoint: [""]
@@ -34,7 +34,7 @@ build_web:
 
 build_api:
   stage: build
-  retry: 3
+  retry: 2
   image:
     name: gcr.io/kaniko-project/executor:debug
     entrypoint: [""]