redis

composer.json

 {
   "name": "manage-backend",
   "description": "manage backend",
-    "keywords": ["yii2", "manage-backend"],
+  "keywords": [
+    "yii2",
+    "manage-backend"
+  ],
   "homepage": "http://www.yiiframework.com/",
   "type": "project",
   "license": "BSD-3-Clause",
@@ -15,7 +18,8 @@
     "kartik-v/yii2-widgets": "*",
     "kartik-v/yii2-field-range": "*",
     "kartik-v/yii2-date-range": "*",
-        "kartik-v/yii2-widget-fileinput": "*"
+    "kartik-v/yii2-widget-fileinput": "*",
+    "yiisoft/yii2-redis": "~2.0.0"
   },
   "require-dev": {
     "yiisoft/yii2-debug": "~2.0.0",