add now

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>

now/Dockerfile

@@ -0,0 +1,26 @@
+FROM alpine:latest as builder
+MAINTAINER Jessica Frazelle <jess@linux.com>
+
+RUN	apk add --no-cache \
+	ca-certificates \
+	curl \
+	gzip
+
+ENV NOW_VERSION 11.4.6
+
+RUN curl -sSL -o "/tmp/now.gz" "https://github.com/zeit/now-cli/releases/download/${NOW_VERSION}/now-alpine.gz" \
+	&& gzip -dv "/tmp/now.gz" \
+	&& mv /tmp/now /usr/bin/now \
+	&& chmod +x /usr/bin/now \
+	&& rm -rf "/tmp/now.gz"
+
+FROM alpine:latest
+
+RUN apk add --no-cache \
+	libstdc++
+
+COPY --from=builder /usr/bin/now /usr/bin/now
+COPY --from=builder /etc/ssl/certs/ /etc/ssl/certs
+
+ENTRYPOINT [ "now" ]
+CMD [ "--help" ]