From 65337a89b86a74ed7a33c033c57f6340b50e999f Mon Sep 17 00:00:00 2001
From: Alexandre <44178713+alexbelgium@users.noreply.github.com>
Date: Sun, 21 May 2023 10:20:47 +0200
Subject: [PATCH] Update Dockerfile

---
 portainer_agent/Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/portainer_agent/Dockerfile b/portainer_agent/Dockerfile
index a64a2ab7d..16875cf31 100644
--- a/portainer_agent/Dockerfile
+++ b/portainer_agent/Dockerfile
@@ -15,9 +15,10 @@
 #################
 
 ARG BUILD_FROM
-FROM $BUILD_FROM
+ENV BUILD_BASE="$BUILD_FROM"
 FROM portainer/agent:alpine as original_agent
 ENV PORTAINER_AGENT_ARGS=""
+FROM "$BUILD_BASE"
 
 # Copy Portainer agent binaries
 COPY --from=original_agent /app /app