arm64: minio, rpuppy
diff --git a/apps/rpuppy/Dockerfile b/apps/rpuppy/Dockerfile
index 47a32c9..bfeaa0f 100644
--- a/apps/rpuppy/Dockerfile
+++ b/apps/rpuppy/Dockerfile
@@ -8,12 +8,12 @@
 COPY main.go /app/main.go
 
 ENV GOOS linux
-ENV GOARCH arm
+ENV GOARCH arm64
 ENV CGO_ENABLED 0
 ENV GO111MODULE off
 RUN go build -o rpuppy -trimpath -ldflags="-s -w" main.go
 
-FROM arm32v7/alpine:latest
+FROM arm64v8/alpine:latest
 WORKDIR /
 COPY --from=build /app/rpuppy /usr/bin/rpuppy