diff --git a/Dockerfile b/Dockerfile
index a5fc902..ff75be0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,10 @@
-FROM docker.io/golang:1.22-alpine3.20 AS builder
+FROM --platform=$BUILDPLATFORM docker.io/golang:1.22-alpine3.20 AS builder
+
+ARG TARGETARCH
 
 ENV CGO_ENABLED=0 \
-    GOOS=linux
+    GOOS=linux \
+    GOARCH=$TARGETARCH
 
 WORKDIR /src
 
diff --git a/Makefile b/Makefile
index 81f56c1..a27f28e 100644
--- a/Makefile
+++ b/Makefile
@@ -3,13 +3,20 @@ VERSION=latest
 BRANCH := $(shell git rev-parse --abbrev-ref HEAD)
 IMAGE_NAME=$(DOCKER_REGISTRY)/radix-cost-allocation:$(BRANCH)-$(VERSION)
 
+.PHONY: build
 build:
 	docker build -t $(IMAGE_NAME) .
 
-push:
+.PHONY: push
+push: build
 	az acr login -n $(DOCKER_REGISTRY)
 	docker push $(IMAGE_NAME)
 
+.PHONY: pushmultiplatform
+pushmultiplatform:
+	az acr login -n $(DOCKER_REGISTRY)
+	docker buildx build --platform=linux/amd64,linux/arm64 -t $(IMAGE_NAME) --push .
+
 .PHONY: test
 test:
 	go test -cover `go list ./...`