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@@ -4,7 +4,10 @@ FROM golang:1.24-alpine AS builder
 WORKDIR /src
 
 # Install build dependencies (none needed for static build) and enable static build
-ENV CGO_ENABLED=0 GOOS=linux GOARCH=amd64
+# Make the build architecture-aware for buildx multi-arch builds
+ARG TARGETOS
+ARG TARGETARCH
+ENV CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH}
 
 # Cache go modules
 COPY app/web/go.mod ./app/web/