Merge pull request BonnierNews#5 from davidkarlsen/master

Multi-stage build for minimal image

Author: christoe

Dockerfile

@@ -1,9 +1,11 @@
-FROM golang:1.6
-LABEL maintainer [email protected]
-EXPOSE 9198
+FROM golang:1.8 as golang
 RUN go get -u github.com/kardianos/govendor && \
         go get -u github.com/DagensNyheter/logstash_exporter && \
         cd $GOPATH/src/github.com/DagensNyheter/logstash_exporter && \
-        govendor build +local && \
-        mv /go/bin/logstash_exporter /
+        govendor build +local
+
+FROM quay.io/prometheus/busybox:glibc
+COPY --from=golang /go/bin/logstash_exporter /
+LABEL maintainer [email protected]
+EXPOSE 9198
 ENTRYPOINT ["/logstash_exporter"]