rpuppy: make Dockerfile CPU architecture neutral so it can be used with Docker multiarch buildkit
diff --git a/apps/rpuppy/Dockerfile b/apps/rpuppy/Dockerfile
index bfeaa0f..8dd6a7f 100644
--- a/apps/rpuppy/Dockerfile
+++ b/apps/rpuppy/Dockerfile
@@ -7,13 +7,11 @@
RUN go get github.com/itaysk/regogo
COPY main.go /app/main.go
-ENV GOOS linux
-ENV GOARCH arm64
ENV CGO_ENABLED 0
ENV GO111MODULE off
RUN go build -o rpuppy -trimpath -ldflags="-s -w" main.go
-FROM arm64v8/alpine:latest
+FROM alpine:latest
WORKDIR /
COPY --from=build /app/rpuppy /usr/bin/rpuppy