feat(ci): add Docker image build and release workflow

* Implement GitHub Actions workflow for Docker image build and release
* Validate release tags and manage Docker login credentials
* Build and push Docker images with versioning and metadata
* Add docker-build target to Makefile for local image building

pkg/broker/queue/queue.go

@@ -24,16 +24,16 @@ type Queue struct {
 
 // Config holds queue configuration
 type Config struct {
-	Number            int
-	InstanceID        int64
-	WorkerCount       int
-	DBAdapter         adapter.DBAdapter
-	Logger            adapter.Logger
-	BufferSize        int
-	TimerSeconds      int
-	FetchSize         int
-	TenantID          string
-	LeaseSeconds      int
+	Number       int
+	InstanceID   int64
+	WorkerCount  int
+	DBAdapter    adapter.DBAdapter
+	Logger       adapter.Logger
+	BufferSize   int
+	TimerSeconds int
+	FetchSize    int
+	TenantID     string
+	LeaseSeconds int
 }
 
 // New creates a new queue manager