refactor all service dependency injection

module/base/mgt/internal/impl/impl.go

@@ -2,26 +2,25 @@ package impl
 
 import (
 	"bsm/full/module/base/mgt/internal/config"
+
 	"git.apinb.com/bsm-sdk/core/cache/redis"
 	"git.apinb.com/bsm-sdk/core/with"
 	cache "github.com/patrickmn/go-cache"
 	clientv3 "go.etcd.io/etcd/client/v3"
+	"gorm.io/gorm"
 )
 
 var (
-	RedisService *redis.RedisClient // Redis 客户端服务
-	EtcdService  *clientv3.Client   // Etcd 客户端服务
-	MemorySerice *cache.Cache       // 内存缓存服务
+	RedisService *redis.RedisClient
+	EtcdService  *clientv3.Client
+	MemorySerice *cache.Cache
+	DBService    *gorm.DB
 )
 
-// NewImpl 初始化各类服务实例
+// NewImpl initializes infrastructure for standalone execution.
 func NewImpl() {
-	// 初始化内存缓存
 	MemorySerice = with.Memory(nil)
-	// 初始化 Redis 缓存
 	RedisService = with.RedisCache(config.Spec.Cache)
-	// 初始化数据库服务
 	WithDatabases(config.Spec.Databases, nil)
-	// 初始化 Etcd 服务
 	EtcdService = with.Etcd(config.Spec.Etcd)
 }