diff --git a/Dockerfile b/Dockerfile
index 0550aac..d60f34e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,9 +7,11 @@ RUN go mod download
 
 COPY . .
 
-ARG TARGETOS=linux
-ARG TARGETARCH=amd64
-RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH \
+ARG TARGETOS
+ARG TARGETARCH
+RUN CGO_ENABLED=0 \
+	GOOS=${TARGETOS:-linux} \
+	GOARCH=${TARGETARCH:-$(go env GOARCH)} \
 	go build -trimpath -ldflags="-s -w" -o /out/soteria ./cmd/soteria
 
 FROM gcr.io/distroless/static-debian12:nonroot