Merge pull request #4 from sdurrheimer/master

New Dockerfile using alpine-golang-make-onbuild base image

Dockerfile

@@ -1,14 +1,4 @@
-FROM alpine:3.2
-MAINTAINER The Prometheus Authors <[email protected]>
-
-ENV GOPATH /go
-COPY . /go/src/github.com/prometheus/nginx_exporter
-
-RUN apk add --update -t build-deps go git mercurial make \
-    && apk add -u musl && rm -rf /var/cache/apk/* \
-    && cd /go/src/github.com/prometheus/nginx_exporter \
-    && make && cp nginx_exporter /bin/nginx_exporter \
-    && rm -rf /go && apk del --purge build-deps
+FROM        sdurrheimer/alpine-golang-make-onbuild
+MAINTAINER  The Prometheus Authors <[email protected]>
 
 EXPOSE     9113
-ENTRYPOINT [ "/bin/nginx_exporter" ]

README.md

@@ -14,5 +14,14 @@ Help on flags:
 ./nginx_exporter --help
 ```
 
-# Getting Started
+## Getting Started
   * All of the core developers are accessible via the [Prometheus Developers Mailinglist](https://groups.google.com/forum/?fromgroups#!forum/prometheus-developers).
+
+## Using Docker
+
+```
+docker pull fish/nginx-exporter
+
+docker run -d -p 9113:9113 fish/nginx-exporter \
+    -nginx.scrape_uri=http://172.17.42.1/nginx_status
+```