Merge pull request #2 from mterzo/master

Reduce size of docker image
rethinkdb · Oct 20, 2020 · e957b8e · e957b8e
2 parents c1d6b1b + 8240c42
commit e957b8e
Showing 1 changed file with 8 additions and 7 deletions.
diff --git a/Dockerfile b/Dockerfile
@@ -1,14 +1,15 @@
-FROM alpine:latest
-MAINTAINER CMogilko <[email protected]>
-
-RUN apk add --update -t build-deps go git make
+FROM golang:1.14.0 as build
 
 COPY . /src
+RUN set -ex \
+    && cd /src \
+    && CGO_ENABLED=0 go build -o /bin/prometheus-exporter
 
-RUN cd /src && go build -o /bin/prometheus-exporter
-RUN rm -rf /src
+FROM alpine:latest
+MAINTAINER CMogilko <[email protected]>
 
-RUN apk del --purge build-deps go git make
+COPY --from=build /bin/prometheus-exporter /bin/prometheus-exporter
 
+USER nobody
 EXPOSE     9055
 ENTRYPOINT [ "/bin/prometheus-exporter" ]