From 7e64a43af657033ebc0f6cbd671f77724bc1ca1c Mon Sep 17 00:00:00 2001
From: William Etheredge <me@wetheredge.com>
Date: Sat, 8 Jul 2023 16:07:19 -0500
Subject: [PATCH] Treat Containerfiles as Dockerfiles (#2846)

Containerfiles should be fully compatible with Dockerfiles:
https://github.com/containers/buildah/discussions/3170
---
 runtime/syntax/dockerfile.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/runtime/syntax/dockerfile.yaml b/runtime/syntax/dockerfile.yaml
index ef48034f..ea7aa7b9 100644
--- a/runtime/syntax/dockerfile.yaml
+++ b/runtime/syntax/dockerfile.yaml
@@ -1,7 +1,7 @@
 filetype: dockerfile
 
 detect:
-    filename: "(Dockerfile[^/]*$|\\.dockerfile$)"
+    filename: "((Docker|Container)file[^/]*$|\\.(docker|container)file$)"
 
 rules:
     ## Keywords