add backend tpl

backend/providers/http/config.go

@@ -0,0 +1,45 @@
+package http
+
+import (
+	"fmt"
+)
+
+const DefaultPrefix = "Http"
+
+type Config struct {
+	StaticPath  *string
+	StaticRoute *string
+	Host        *string
+	Port        uint
+	Tls         *Tls
+	Cors        *Cors
+}
+
+type Tls struct {
+	Cert string
+	Key  string
+}
+
+type Cors struct {
+	Mode      string
+	Whitelist []Whitelist
+}
+
+type Whitelist struct {
+	AllowOrigin      string
+	AllowHeaders     string
+	AllowMethods     string
+	ExposeHeaders    string
+	AllowCredentials bool
+}
+
+func (h *Config) Address() string {
+	if h.Host == nil {
+		return h.PortString()
+	}
+	return fmt.Sprintf("%s:%d", *h.Host, h.Port)
+}
+
+func (h *Config) PortString() string {
+	return fmt.Sprintf(":%d", h.Port)
+}