Build multi-arch container images across stack
diff --git a/core/auth/hydra-maester/Dockerfile b/core/auth/hydra-maester/Dockerfile
index 072d9b2..585f9af 100644
--- a/core/auth/hydra-maester/Dockerfile
+++ b/core/auth/hydra-maester/Dockerfile
@@ -1,4 +1,5 @@
 FROM gcr.io/distroless/static:latest
-COPY hydra-maester/manager .
+ARG TARGETARCH
+COPY hydra-maester/manager_${TARGETARCH} /manager
 USER 1000
 ENTRYPOINT ["/manager"]