完善dockerfile构建镜像

pkg/global/global.go

@@ -0,0 +1,15 @@
+package global
+
+import (
+	"github.com/patrickmn/go-cache"
+	"gorm.io/gorm"
+	"next-terminal/pkg/config"
+)
+
+var DB *gorm.DB
+
+var Cache *cache.Cache
+
+var Config *config.Config
+
+var Store *TunStore