refactor: Use alpine as our base Docker image (#1097)

Author: afiune

Dockerfile

@@ -1,11 +1,7 @@
-FROM alpine:3.6 as alpine
-RUN apk add -U --no-cache ca-certificates
-
-FROM  scratch
+FROM alpine:latest
 LABEL maintainer="[email protected]" \
       description="The Lacework CLI helps you manage the Lacework cloud security platform"
-
+RUN apk add -U --no-cache ca-certificates
 COPY LICENSE /
-COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 ADD bin/lacework-cli-linux-amd64 /usr/local/bin/lacework
 ENTRYPOINT ["/usr/local/bin/lacework"]