Set host and port defaults in config

config/config.go

@@ -36,6 +36,11 @@ var (
 	CheckAliasURL       string
 )
 
+const (
+	defaultHTTPHost string = "127.0.0.1"
+	defaultHTTPPort uint = 7123
+)
+
 func setBase() error {
 	var err error
 
@@ -71,3 +76,11 @@ func LoadConfig() error {
 	CheckAliasURL, _ = url.JoinPath(dataURLBase, AliasPrefix)
 	return nil
 }
+
+func Host() string {
+	return env.GetEnv("HOST", defaultHTTPHost)
+}
+
+func Port() uint {
+	return env.GetEnvUint("PORT", defaultHTTPPort)
+}