[config] fix lint issues

Author: capcom6

internal/config/config.go

@@ -82,7 +82,8 @@ type Cache struct {
 }
 
 type PubSub struct {
-	URL string `yaml:"url" envconfig:"PUBSUB__URL"`
+	URL        string `yaml:"url"         envconfig:"PUBSUB__URL"`
+	BufferSize uint   `yaml:"buffer_size" envconfig:"PUBSUB__BUFFER_SIZE"`
 }
 
 func Default() Config {
@@ -119,7 +120,8 @@ func Default() Config {
 			URL: "memory://",
 		},
 		PubSub: PubSub{
-			URL: "memory://",
+			URL:        "memory://",
+			BufferSize: 128,
 		},
 	}
 }

internal/config/module.go

@@ -115,7 +115,7 @@ func Module() fx.Option {
 				) * time.Second,
 			}
 		}),
-		fx.Provide(func(cfg Config) devices.Config {
+		fx.Provide(func(_ Config) devices.Config {
 			return devices.Config{
 				UnusedLifetime: 365 * 24 * time.Hour, //TODO: make it configurable
 			}
@@ -133,7 +133,7 @@ func Module() fx.Option {
 		fx.Provide(func(cfg Config) pubsub.Config {
 			return pubsub.Config{
 				URL:        cfg.PubSub.URL,
-				BufferSize: 128,
+				BufferSize: cfg.PubSub.BufferSize,
 			}
 		}),
 	)