Use apk's no-cache flag in Dockerfile (#1591)

44e9d734 · nogoegst · Miek Gieben · 369bde5a · 44e9d734
Commit 44e9d734 authored Mar 06, 2018 by nogoegst Committed by Miek Gieben Mar 06, 2018
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--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine:latest
 MAINTAINER Miek Gieben <miek@miek.nl> @miekg

 # only need ca-certificates & openssl if want to use https_google
-RUN apk --update add bind-tools ca-certificates openssl && update-ca-certificates && rm -rf /var/cache/apk/*
+RUN apk --no-cache add bind-tools ca-certificates openssl && update-ca-certificates

 ADD coredns /coredns