diff --git a/Dockerfile b/Dockerfile
index 0746151..064c362 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,9 @@ RUN go mod download
 COPY . .
 
 # Build the application for the specified target architecture
+# https://www.docker.com/blog/faster-multi-platform-builds-dockerfile-cross-compilation-guide/
+# Declare TARGETOS and TARGETARCH in the local scope so they can be used in the build stage.
+ARG TARGETOS TARGETARCH
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=${TARGETARCH} go build -o p1-logger .
 
 # Create a minimal runtime image