feat: improve perf by caching proxy and layers locally

internal/proxy/option.go

@@ -1,23 +1,27 @@
 package proxy
 
 import (
+	"time"
+
 	"forge.cadoles.com/cadoles/bouncer/internal/config"
 	"forge.cadoles.com/cadoles/bouncer/internal/proxy/director"
 )
 
 type Option struct {
-	ServerConfig   config.ProxyServerConfig
-	RedisConfig    config.RedisConfig
-	DirectorLayers []director.Layer
+	ServerConfig     config.ProxyServerConfig
+	RedisConfig      config.RedisConfig
+	DirectorLayers   []director.Layer
+	DirectorCacheTTL time.Duration
 }
 
 type OptionFunc func(*Option)
 
 func defaultOption() *Option {
 	return &Option{
-		ServerConfig:   config.NewDefaultProxyServerConfig(),
-		RedisConfig:    config.NewDefaultRedisConfig(),
-		DirectorLayers: make([]director.Layer, 0),
+		ServerConfig:     config.NewDefaultProxyServerConfig(),
+		RedisConfig:      config.NewDefaultRedisConfig(),
+		DirectorLayers:   make([]director.Layer, 0),
+		DirectorCacheTTL: 30 * time.Second,
 	}
 }
 
@@ -38,3 +42,9 @@ func WithDirectorLayers(layers ...director.Layer) OptionFunc {
 		opt.DirectorLayers = layers
 	}
 }
+
+func WithDirectorCacheTTL(ttl time.Duration) OptionFunc {
+	return func(opt *Option) {
+		opt.DirectorCacheTTL = ttl
+	}
+}