Updating README to reference boonisz docker-compose and updating dock…

…er pulls badge

README.md

@@ -2,7 +2,7 @@
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@@ -203,6 +203,10 @@ If you're going to use a file with a name other than `config.yml`, you will need
 $ docker run --rm -it -v "$PWD"/my_config.yml:/usr/src/app/config/config.yml:ro mtakaki/cachet-url-monitor
 ```
 
+### Docker compose
+
+Docker compose has been removed from this repo as it had a dependency on PostgreSQL and it slightly complicated how it works. This has been kindly handled on: https://github.com/boonisz/cachet-url-monitor-dc It facilitates spawning CachetHQ with its dependencies and cachet-url-monitor alongside to it.
+
 ## Generating configuration from existing CachetHQ instance (since 0.6.2)
 
 In order to expedite the creation of your configuration file, you can use the client to automatically scrape the