Update README.md

README.md

@@ -14,9 +14,6 @@ Help on flags:
 ./nginx_exporter --help
 ```
 
-## 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
 
 ```
@@ -25,3 +22,13 @@ docker pull fish/nginx-exporter
 docker run -d -p 9113:9113 fish/nginx-exporter \
     -nginx.scrape_uri=http://172.17.42.1/nginx_status
 ```
+In production you should use a tagged release:
+https://hub.docker.com/r/fish/nginx-exporter/tags/
+
+## Alternatives
+While nginx natively only provides the small set of metrics this exporter
+provides, [nginx-module-vts](https://github.com/vozlt/nginx-module-vts)
+adds extensive metrics that can be consumed by:
+
+- Standalone Prometheus Exporter: https://github.com/hnlq715/nginx-vts-exporter
+- Kubernetes NGINX Ingres controller: https://github.com/kubernetes/ingress-nginx/blob/master/docs/examples/customization/custom-vts-metrics-prometheus/README.md