// ServeHTTP checks the `DEVELOPER` environment variable and if set, instructs all
// registered types to reload for each request.
func (tr *TemplateReloader) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// TODO: move template lifecycle management outside of the controlers
if os.Getenv("DEVELOPER") != "" {
log.Println("Reloading templates.")
for _, r := range tr.reloadables {
r.reloadTemplates()
}
}
}