Update Docker run docs

* Remove `-d` so it's easier to see errors interactively.
* Use `latest` tag to make sure users use the release by default.
* Recommend quay.io repo by default.

Signed-off-by: SuperQ <superq@gmail.com>

diff --git a/README.md b/README.md
index b70d50565106fe5afb4d0eded3007e49dee0a02d..128bddfb932135cefb655c5005091f73395df322 100644 (file)
--- a/README.md
+++ b/README.md
@@ -22,7 +22,11 @@ Then:
 
 *Note: You may want to [enable ipv6 in your docker configuration](https://docs.docker.com/v17.09/engine/userguide/networking/default_network/ipv6/)*
 
-    docker run --rm -d -p 9115:9115 --name blackbox_exporter -v `pwd`:/config prom/blackbox-exporter:master --config.file=/config/blackbox.yml
+    docker run --rm \
+      -p 9115/tcp \
+      --name blackbox_exporter \
+      -v $(pwd):/config \
+      quay.io/prometheus/blackbox-exporter:latest --config.file=/config/blackbox.yml
 
 ### Checking the results