🦴 update skeleton

postgres/config.go

@@ -1,13 +1,21 @@
 package postgres
 
+import "time"
+
 // Config defines the config for storage.
 type Config struct {
+	GCInterval time.Duration
 }
 
 // ConfigDefault is the default config
-var ConfigDefault = Config{}
+var ConfigDefault = Config{
+	GCInterval: 10 * time.Second,
+}
 
 // Helper function to set default values
 func configDefault(cfg Config) Config {
+	if int(cfg.GCInterval) == 0 {
+		cfg.GCInterval = ConfigDefault.GCInterval
+	}
 	return cfg
 }