diff --git a/failed.zip b/failed.zip
deleted file mode 100644
index 2c9ce98..0000000
Binary files a/failed.zip and /dev/null differ
diff --git a/package-lock.json b/package-lock.json
index 24e89b7..92bb3a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,6 +11,7 @@
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@@ -4732,6 +4804,14 @@
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@@ -5158,6 +5238,30 @@
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+      "resolved": "https://registry.npmjs.org/redis-errors/-/redis-errors-1.2.0.tgz",
+      "integrity": "sha1-62LSrbFeTq9GEMBK/hUpOEJQq60=",
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@@ -6278,6 +6382,11 @@
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+      "resolved": "https://registry.npmjs.org/standard-as-callback/-/standard-as-callback-2.1.0.tgz",
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@@ -8635,6 +8744,11 @@
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+    "cluster-key-slot": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/cluster-key-slot/-/cluster-key-slot-1.1.0.tgz",
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@@ -8866,6 +8980,11 @@
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@@ -9677,6 +9796,38 @@
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+    "ioredis": {
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+      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.26.0.tgz",
+      "integrity": "sha512-nh39okWezWWZ35/RxXXzHksMFt4WCaev8SNO2kozRDeVdEAJj16EarqPP3JeHz8IEjEXN5CiVtbWMk62Z0eveQ==",
+      "requires": {
+        "cluster-key-slot": "^1.1.0",
+        "debug": "^4.3.1",
+        "denque": "^1.1.0",
+        "lodash.defaults": "^4.2.0",
+        "lodash.flatten": "^4.4.0",
+        "p-map": "^2.1.0",
+        "redis-commands": "1.7.0",
+        "redis-errors": "^1.2.0",
+        "redis-parser": "^3.0.0",
+        "standard-as-callback": "^2.1.0"
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+          "requires": {
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+        }
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+    },
     "ipaddr.js": {
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       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
@@ -10554,6 +10705,16 @@
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     },
+    "lodash.defaults": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/lodash.defaults/-/lodash.defaults-4.2.0.tgz",
+      "integrity": "sha1-0JF4cW/+pN3p5ft7N/bwgCJ0WAw="
+    },
+    "lodash.flatten": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/lodash.flatten/-/lodash.flatten-4.4.0.tgz",
+      "integrity": "sha1-8xwiIlqWMtK7+OSt2+8kCqdlph8="
+    },
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@@ -11019,6 +11180,11 @@
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+    "p-map": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/p-map/-/p-map-2.1.0.tgz",
+      "integrity": "sha512-y3b8Kpd8OAN444hxfBbFfj1FY/RjtTd8tzYwhUqNYXx0fXx2iX4maP4Qr6qhIKbQXI02wTLAda4fYUbDagTUFw=="
+    },
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@@ -11337,6 +11503,24 @@
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+    "redis-commands": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.7.0.tgz",
+      "integrity": "sha512-nJWqw3bTFy21hX/CPKHth6sfhZbdiHP6bTawSgQBlKOVRG7EZkfHbbHwQJnrE4vsQf0CMNE+3gJ4Fmm16vdVlQ=="
+    },
+    "redis-errors": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/redis-errors/-/redis-errors-1.2.0.tgz",
+      "integrity": "sha1-62LSrbFeTq9GEMBK/hUpOEJQq60="
+    },
+    "redis-parser": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/redis-parser/-/redis-parser-3.0.0.tgz",
+      "integrity": "sha1-tm2CjNyv5rS4pCin3vTGvKwxyLQ=",
+      "requires": {
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@@ -12224,6 +12408,11 @@
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+    "standard-as-callback": {
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+      "resolved": "https://registry.npmjs.org/standard-as-callback/-/standard-as-callback-2.1.0.tgz",
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diff --git a/package.json b/package.json
index eeeb8e1..7e9455c 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
     "bcryptjs": "^2.4.3",
     "cors": "^2.8.5",
     "express": "^4.17.1",
+    "ioredis": "^4.26.0",
     "jsonwebtoken": "^8.5.1",
     "pg": "^8.6.0",
     "sequelize": "^6.6.2"