bump alpine to 3.8 and klar to 2.2.0

1 changed files with 2 additions and 2 deletions
--- a/4
+++ b/4
@ -4,14 +4,14 @@
 #     go build
 #     docker build --rm=true -t jmccann/drone-clair .

-FROM alpine:3.4
+FROM alpine:3.8

 RUN apk update && \
  apk add \
    ca-certificates && \
  rm -rf /var/cache/apk/*

-ADD https://github.com/optiopay/klar/releases/download/v1.1/klar-1.1-linux-amd64 /usr/local/bin/klar
+ADD https://github.com/optiopay/klar/releases/download/v2.2.0/klar-2.2.0-linux-amd64 /usr/local/bin/klar
 RUN chmod 0755 /usr/local/bin/klar

 ADD drone-clair /bin/