From ce27115cb85395aa5b20e5b4a17b2a01134242ef Mon Sep 17 00:00:00 2001
From: Martin Hoffmann <martin@nlnetlabs.nl>
Date: Mon, 23 Oct 2023 12:17:46 +0200
Subject: [PATCH] Curly braces for the Dockerfile.

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index c9eabc16..4c3b6e8b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -136,7 +136,7 @@ RUN chmod a+x /tmp/out/bin/*
 #
 # The previous build stage from which binaries are copied is controlled by the
 # MODE ARG (see above).
-FROM $(BASE_IMG) AS final
+FROM ${BASE_IMG} AS final
 
 # Copy binaries from the 'source' build stage into the image we are building
 COPY --from=source /tmp/out/bin/* /usr/local/bin/