install(CORS) {
method(HttpMethod.Options)
header(HttpHeaders.AccessControlAllowOrigin)
header(HttpHeaders.Origin)
header(HttpHeaders.Authorization)
header(HttpHeaders.ContentType)
header(HttpHeaders.Accept)
header(HttpHeaders.Referrer)
header(HttpHeaders.Host)
header(HttpHeaders.AcceptLanguage)
header(HttpHeaders.UserAgent)
header(HttpHeaders.AcceptEncoding)
header(HttpHeaders.XForwardedFor)
header(HttpHeaders.XForwardedHost)
}