update help

config.go

@@ -3,6 +3,7 @@ package main
 import (
 	"flag"
 	"fmt"
+	"log"
 	"os"
 
 	"gopkg.in/yaml.v2"
@@ -34,7 +35,7 @@ func NewConfig() (Config, error) {
 	fs.StringVar(&c.Cert.CRT, "crt", "", "path to .crt")
 	fs.StringVar(&c.Cert.Key, "key", "", "path to .key")
 	fs.IntVar(&c.Port, "p", 56112, "port to listen on")
-	f := fs.String("f", "/dev/null", `file of {domains:{.com:{google:{to: scheme://host:port, basicAuth: u:p, redir: false}}}}`)
+	f := fs.String("f", "/dev/null", `file of {domains:{com:{google:{to: scheme://host:port, basicAuth: u:p, redir: false}}}}`)
 	if err := fs.Parse(os.Args[1:]); err != nil {
 		return c, err
 	}
@@ -47,5 +48,13 @@ func NewConfig() (Config, error) {
 		return c, fmt.Errorf("no domains configured")
 	}
 
+	keys := []string{}
+	for k, v := range c.Domains {
+		for k2 := range v {
+			keys = append(keys, fmt.Sprintf("%s.%s", k2, k))
+		}
+	}
+	log.Printf("redirecting %+v", keys)
+
 	return c, nil
 }