fix(containerize): kaniko support
{# users can use these values #}
{% import '_macros.j2' as common %}
{% set bento__entrypoint = bento__entrypoint | default(expands_bento_path("env", "docker", "entrypoint.sh", bento_path=bento__path)) %}
-# syntax = docker/dockerfile:1.4.3
+# 1.2.1 is the current docker frontend that both buildkitd and kaniko supports.
+# syntax = docker/dockerfile:1.2.1
#
# ===========================================
#
