feat(docker): fake data writer for graphite

docker/blocks/graphite/fig

@@ -8,3 +8,10 @@ graphite:
     - /etc/localtime:/etc/localtime:ro
     - /etc/timezone:/etc/timezone:ro
 
+fake-data-gen:
+  image: grafana/fake-data-gen
+  net: bridge
+  environment:
+    FD_DATASOURCE: graphite
+    FD_PORT: 2003
+