feat: improve perf by caching proxy and layers locally

internal/cache/memory/cache.go

@@ -0,0 +1,34 @@
+package memory
+
+import (
+	"sync"
+
+	cache "forge.cadoles.com/cadoles/bouncer/internal/cache"
+)
+
+type Cache[K comparable, V any] struct {
+	store *sync.Map
+}
+
+// Get implements cache.Cache.
+func (c *Cache[K, V]) Get(key K) (V, bool) {
+	raw, exists := c.store.Load(key)
+	if !exists {
+		return *new(V), false
+	}
+
+	return raw.(V), exists
+}
+
+// Set implements cache.Cache.
+func (c *Cache[K, V]) Set(key K, value V) {
+	c.store.Store(key, value)
+}
+
+func NewCache[K comparable, V any]() *Cache[K, V] {
+	return &Cache[K, V]{
+		store: new(sync.Map),
+	}
+}
+
+var _ cache.Cache[string, bool] = &Cache[string, bool]{}