Install Joi package

package-lock.json

@@ -1118,6 +1118,11 @@
       "integrity": "sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=",
       "dev": true
     },
+    "hoek": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/hoek/-/hoek-6.0.3.tgz",
+      "integrity": "sha512-TU6RyZ/XaQCTWRLrdqZZtZqwxUVr6PDMfi6MlWNURZ7A6czanQqX4pFE1mdOUQR9FdPCsZ0UzL8jI/izZ+eBSQ=="
+    },
     "hosted-git-info": {
       "version": "2.7.1",
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.7.1.tgz",
@@ -1295,12 +1300,30 @@
       "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
       "dev": true
     },
+    "isemail": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/isemail/-/isemail-3.2.0.tgz",
+      "integrity": "sha512-zKqkK+O+dGqevc93KNsbZ/TqTUFd46MwWjYOoMrjIMZ51eU7DtQG3Wmd9SQQT7i7RVnuTPEiYEWHU3MSbxC1Tg==",
+      "requires": {
+        "punycode": "2.x.x"
+      }
+    },
     "isexe": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
       "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=",
       "dev": true
     },
+    "joi": {
+      "version": "14.0.6",
+      "resolved": "https://registry.npmjs.org/joi/-/joi-14.0.6.tgz",
+      "integrity": "sha512-mKXPSNYMG3taVBZemQj3pPOlMZGrnnu14JKAC6AHg6jJVX35L7oDk89ss1sHj+laDSEh3mD2PmeheI5k6Aw8nQ==",
+      "requires": {
+        "hoek": "6.x.x",
+        "isemail": "3.x.x",
+        "topo": "3.x.x"
+      }
+    },
     "js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -2026,8 +2049,7 @@
     "punycode": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
-      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
-      "dev": true
+      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
     },
     "qs": {
       "version": "6.5.2",
@@ -2443,6 +2465,14 @@
         "os-tmpdir": "~1.0.2"
       }
     },
+    "topo": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/topo/-/topo-3.0.3.tgz",
+      "integrity": "sha512-IgpPtvD4kjrJ7CRA3ov2FhWQADwv+Tdqbsf1ZnPUSAtCJ9e1Z44MmoSGDXGk4IppoZA7jd/QRkNddlLJWlUZsQ==",
+      "requires": {
+        "hoek": "6.x.x"
+      }
+    },
     "triple-beam": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/triple-beam/-/triple-beam-1.3.0.tgz",

package.json

@@ -7,6 +7,7 @@
     "bcrypt-nodejs": "0.0.3",
     "body-parser": "^1.18.3",
     "express": "^4.16.4",
+    "joi": "^14.0.6",
     "jsonwebtoken": "^8.3.0",
     "mongoose": "^5.3.11",
     "passport": "^0.4.0"