Correct the ship platform
This was running on the buildplatform and so failing to
execute as expected
@@ -29,7 +29,7 @@ RUN VERSION=$(git describe --all --exact-match `git rev-parse HEAD` | grep tags
-X github.com/openfaas/faas-netes/version.Version=${VERSION}" \
-a -installsuffix cgo -o faas-netes .
-FROM alpine:3.12 as ship
+FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.12 as ship
LABEL org.label-schema.license="MIT" \
org.label-schema.vcs-url="https://github.com/openfaas/faas-netes" \
org.label-schema.vcs-type="Git" \
