From 075f1301115de5dbe26d717d1107d769417a9e75 Mon Sep 17 00:00:00 2001
From: Jan Schintag <jan.schintag@de.ibm.com>
Date: Fri, 6 Dec 2024 09:28:52 +0100
Subject: [PATCH] Dockerfile: Fix wrong base image arch when cross-building
 with podman

When cross-building the image for s390x on amd64, podman would use an amd64
image for the base of the final image.

Signed-off-by: Jan Schintag <jan.schintag@de.ibm.com>
---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 93b04bf..ba2c735 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,7 +18,7 @@ ARG TARGETARCH
 # Build
 RUN CGO_ENABLED=0 GOOS=linux GOARCH="${TARGETARCH}" go build -a -o manager main.go
 
-FROM registry.access.redhat.com/ubi8/ubi-minimal
+FROM --platform=linux/$TARGETARCH registry.access.redhat.com/ubi8/ubi-minimal
 WORKDIR /
 COPY --from=builder /workspace/manager .