Move metrics init to start of app.coffee

services/filestore/app.coffee

@@ -1,3 +1,5 @@
+Metrics = require "metrics-sharelatex"
+Metrics.initialize("filestore")
 express = require('express')
 bodyParser = require "body-parser"
 logger = require('logger-sharelatex')
@@ -15,8 +17,6 @@ app = express()
 if settings.sentry?.dsn?
 	logger.initializeErrorReporting(settings.sentry.dsn)
 
-Metrics = require "metrics-sharelatex"
-Metrics.initialize("filestore")
 Metrics.open_sockets.monitor(logger)
 Metrics.event_loop?.monitor(logger)
 Metrics.memory.monitor(logger)