Merge pull request #8 from agoda-com/readme-update

Update README.md

README.md

@@ -16,7 +16,7 @@ Designed to collect compile time metrics from developers local workstation and l
                     "branch": "master",
                     "type": ".Net",
                     "projectName": "Agoda.Cronos.Accommodation",
-                    "repository": "git@github.agodadev.io:agoda-front-end/agoda-com-dictator.git",
+                    "repository": "git@github.xxxx.io:front-end/dotnet-build-metrics.git",
                     "date": "2021-06-28T02:53:22.1420552Z"
  }
 ```
@@ -28,11 +28,13 @@ To use the task simply add the `Agoda.Builds.Metrics` as a dependency to your pr
   Condition="Exists('$(MSBuildThisFileDirectory)\..\packages\agoda.builds.metrics\1.0.6\build\Agoda.Builds.Metrics.targets')"
 />
 ```
-
+ElasticSearch URL and the name of the index are taken from environment variables if they are present. The fallback values are http://backend-elasticsearch:9200 for the URL and build-metrics for the index. The index must already exist.
+```
+string uriString = !string.IsNullOrEmpty(Environment.GetEnvironmentVariable("url")) ? Environment.GetEnvironmentVariable("url") : "http://backend-elasticsearch:9200";
+string index = !string.IsNullOrEmpty(Environment.GetEnvironmentVariable("index")) ? Environment.GetEnvironmentVariable("index") : "build-metrics";
+ ```
 Note that the version number is embedded in the path, if you upgrade the library you have to update all of the project files as well.
 
-Grafana dashboard for data visualization:
-http://grafana.agoda.local/d/bUtx5Zk7k/net-local-build-analysis?orgId=1&refresh=5s
 
 
 Example in Visual Studio using MSBuild.