close stream body after checking that it's reachable

grimoire.go

@@ -21,13 +21,15 @@ func withTitleAndStreamsAndSentry(next http.Handler, cfg Config, sentry *Sentry)
   return http.HandlerFunc(handlerFunc)
 }
 
-type Sentry struct {}
+type Sentry struct {
+}
 
 func (self *Sentry) GetStatus(url string) int {
   resp, err := http.Get(url)
   if err != nil {
     return 500
   } else {
+    resp.Body.Close()
     return resp.StatusCode
   }
 }