Merge branch 'elvis-patch' into 'development'

Dockerfile update alpine version to v3.13

See merge request !64

vendor/github.com/docker/distribution/Dockerfile

@@ -16,7 +16,7 @@ WORKDIR $DISTRIBUTION_DIR
 COPY . $DISTRIBUTION_DIR
 RUN CGO_ENABLED=0 make PREFIX=/go clean binaries && file ./bin/registry | grep "statically linked"
 
-FROM alpine:3.10
+FROM alpine:3.13
 
 RUN set -ex \
     && apk add --no-cache ca-certificates apache2-utils