add ingress interface

handler/option.go

@@ -20,6 +20,7 @@ type Options struct {
 	RateLimiter rate.RateLimiter
 	TLSConfig   *tls.Config
 	Logger      logger.Logger
+	Service     string
 }
 
 type Option func(opts *Options)
@@ -66,6 +67,12 @@ func LoggerOption(logger logger.Logger) Option {
 	}
 }
 
+func ServiceOption(service string) Option {
+	return func(opts *Options) {
+		opts.Service = service
+	}
+}
+
 type HandleOptions struct {
 	Metadata metadata.Metadata
 }

ingress/ingress.go

@@ -0,0 +1,5 @@
+package ingress
+
+type Ingress interface {
+	Get(host string) string
+}