Add swagger-stats endpoint

package-lock.json

 {
   "name": "service-email",
-  "version": "1.1.2",
+  "version": "1.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -585,7 +585,6 @@
       "version": "6.6.2",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.6.2.tgz",
       "integrity": "sha512-FBHEW6Jf5TB9MGBgUUA9XHkTbjXYfAUjY43ACMfmdMRHniyoMHjHjzD50OK8LGDWQwp4rWEsIq5kEqq7rvIM1g==",
-      "dev": true,
       "requires": {
         "fast-deep-equal": "^2.0.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -1047,7 +1046,6 @@
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
       "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
-      "dev": true,
       "requires": {
         "safer-buffer": "~2.1.0"
       }
@@ -1092,8 +1090,7 @@
     "assert-plus": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-      "dev": true
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
     },
     "assign-symbols": {
       "version": "1.0.0",
@@ -1130,8 +1127,7 @@
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-      "dev": true
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
     },
     "atob": {
       "version": "2.1.2",
@@ -1142,14 +1138,12 @@
     "aws-sign2": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-      "dev": true
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
     },
     "aws4": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
-      "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
-      "dev": true
+      "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
     },
     "axios": {
       "version": "0.18.0",
@@ -1485,11 +1479,18 @@
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
       "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw=="
     },
+    "basic-auth": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
+      "integrity": "sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==",
+      "requires": {
+        "safe-buffer": "5.1.2"
+      }
+    },
     "bcrypt-pbkdf": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
       "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-      "dev": true,
       "requires": {
         "tweetnacl": "^0.14.3"
       }
@@ -1506,6 +1507,11 @@
       "integrity": "sha512-DYWGk01lDcxeS/K9IHPGWfT8PsJmbXRtRd2Sx72Tnb8pcYZQFF1oSDb8hJtS1vhp212q1Rzi5dUf9+nq0o9UIg==",
       "dev": true
     },
+    "bintrees": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/bintrees/-/bintrees-1.0.1.tgz",
+      "integrity": "sha1-DmVcm5wkNeqraL9AJyJtK1WjRSQ="
+    },
     "bitsyntax": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/bitsyntax/-/bitsyntax-0.1.0.tgz",
@@ -1944,8 +1950,7 @@
     "caseless": {
       "version": "0.12.0",
       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
-      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
-      "dev": true
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
     },
     "chalk": {
       "version": "2.4.2",
@@ -2465,7 +2470,6 @@
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.7.tgz",
       "integrity": "sha512-brWl9y6vOB1xYPZcpZde3N9zDByXTosAeMDo4p1wzo6UMOX4vumB+TP1RZ76sfE6Md68Q0NJSrE/gbezd4Ul+w==",
-      "dev": true,
       "requires": {
         "delayed-stream": "~1.0.0"
       }
@@ -2626,6 +2630,15 @@
       "integrity": "sha512-Mw+adcfzPxcPeI+0WlvRrr/3lGVO0bD75SxX6811cxSh1Wbxx7xZBGK1eVtDf6si8rg2lhnUjsVLMFMfbRIuwA==",
       "dev": true
     },
+    "cookies": {
+      "version": "0.7.3",
+      "resolved": "https://registry.npmjs.org/cookies/-/cookies-0.7.3.tgz",
+      "integrity": "sha512-+gixgxYSgQLTaTIilDHAdlNPZDENDQernEMiIcZpYYP14zgHsCt4Ce1FEjFtcp6GefhozebB6orvhAAWx/IS0A==",
+      "requires": {
+        "depd": "~1.1.2",
+        "keygrip": "~1.0.3"
+      }
+    },
     "copy-concurrently": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/copy-concurrently/-/copy-concurrently-1.0.5.tgz",
@@ -2788,7 +2801,6 @@
       "version": "1.14.1",
       "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
-      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0"
       }
@@ -2934,8 +2946,7 @@
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
-      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
-      "dev": true
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
     },
     "depd": {
       "version": "1.1.2",
@@ -3094,7 +3105,6 @@
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
       "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
-      "dev": true,
       "requires": {
         "jsbn": "~0.1.0",
         "safer-buffer": "^2.1.0"
@@ -3611,20 +3621,17 @@
     "extsprintf": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
-      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
-      "dev": true
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
     },
     "fast-deep-equal": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
-      "dev": true
+      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
     },
     "fast-json-stable-stringify": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
-      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I=",
-      "dev": true
+      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
     },
     "fast-levenshtein": {
       "version": "2.0.6",
@@ -4178,14 +4185,12 @@
     "forever-agent": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
-      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=",
-      "dev": true
+      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE="
     },
     "form-data": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
       "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
-      "dev": true,
       "requires": {
         "asynckit": "^0.4.0",
         "combined-stream": "^1.0.6",
@@ -4833,7 +4838,6 @@
       "version": "0.1.7",
       "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
       "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
-      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0"
       }
@@ -5577,14 +5581,12 @@
     "har-schema": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
-      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI=",
-      "dev": true
+      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI="
     },
     "har-validator": {
       "version": "5.1.3",
       "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
       "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
-      "dev": true,
       "requires": {
         "ajv": "^6.5.5",
         "har-schema": "^2.0.0"
@@ -5776,7 +5778,6 @@
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
       "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
-      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0",
         "jsprim": "^1.2.2",
@@ -6165,8 +6166,7 @@
     "is-typedarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
-      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
-      "dev": true
+      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
     },
     "is-unc-path": {
       "version": "1.0.0",
@@ -6218,8 +6218,7 @@
     "isstream": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
-      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=",
-      "dev": true
+      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
     },
     "istanbul-api": {
       "version": "1.3.7",
@@ -6748,8 +6747,7 @@
     "jsbn": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
-      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
-      "dev": true
+      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM="
     },
     "jsdom": {
       "version": "11.12.0",
@@ -6800,14 +6798,12 @@
     "json-schema": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
-      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM=",
-      "dev": true
+      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM="
     },
     "json-schema-traverse": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
-      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
-      "dev": true
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
     },
     "json-socket": {
       "version": "0.2.1",
@@ -6824,8 +6820,7 @@
     "json-stringify-safe": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
-      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
-      "dev": true
+      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
     },
     "json5": {
       "version": "0.5.1",
@@ -6837,7 +6832,6 @@
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
       "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
-      "dev": true,
       "requires": {
         "assert-plus": "1.0.0",
         "extsprintf": "1.3.0",
@@ -6851,6 +6845,11 @@
       "integrity": "sha512-6hHxsp9e6zQU8nXsP+02HGWXwTkOEw6IROhF2ZA28cYbUk4eJ6QbtZvdqZOdD9YPKghG3apk5eOCvs+tLl3lRg==",
       "optional": true
     },
+    "keygrip": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/keygrip/-/keygrip-1.0.3.tgz",
+      "integrity": "sha512-/PpesirAIfaklxUzp4Yb7xBper9MwP6hNRA6BGGUFCgbJ+BM5CKBtsoxinNXkLHAr+GXS1/lSlF2rP7cv5Fl+g=="
+    },
     "kind-of": {
       "version": "3.2.2",
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
@@ -7643,6 +7642,11 @@
         }
       }
     },
+    "natives": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/natives/-/natives-1.1.6.tgz",
+      "integrity": "sha512-6+TDFewD4yxY14ptjKaS63GVdtKiES1pTPyxn9Jb0rBqPMZ7VcCiooEhPNsr+mqHtMGxa/5c/HhcC4uPEUw/nA=="
+    },
     "nats": {
       "version": "1.2.10",
       "resolved": "https://registry.npmjs.org/nats/-/nats-1.2.10.tgz",
@@ -7859,8 +7863,7 @@
     "oauth-sign": {
       "version": "0.9.0",
       "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
-      "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==",
-      "dev": true
+      "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ=="
     },
     "object-assign": {
       "version": "3.0.0",
@@ -8315,8 +8318,7 @@
     "performance-now": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
-      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
-      "dev": true
+      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
     "pify": {
       "version": "2.3.0",
@@ -8419,6 +8421,14 @@
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
       "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw=="
     },
+    "prom-client": {
+      "version": "11.3.0",
+      "resolved": "https://registry.npmjs.org/prom-client/-/prom-client-11.3.0.tgz",
+      "integrity": "sha512-OqSf5WOvpGZXkfqPXUHNHpjrbEE/q8jxjktO0i7zg1cnULAtf0ET67/J5R4e4iA4MZx2260tzTzSFSWgMdTZmQ==",
+      "requires": {
+        "tdigest": "^0.1.1"
+      }
+    },
     "promise-breaker": {
       "version": "4.1.13",
       "resolved": "https://registry.npmjs.org/promise-breaker/-/promise-breaker-4.1.13.tgz",
@@ -8485,8 +8495,7 @@
     "psl": {
       "version": "1.1.31",
       "resolved": "https://registry.npmjs.org/psl/-/psl-1.1.31.tgz",
-      "integrity": "sha512-/6pt4+C+T+wZUieKR620OpzN/LlnNKuWjy1iFLQ/UG35JqHlR/89MP1d96dUfkf6Dne3TuLQzOYEYshJ+Hx8mw==",
-      "dev": true
+      "integrity": "sha512-/6pt4+C+T+wZUieKR620OpzN/LlnNKuWjy1iFLQ/UG35JqHlR/89MP1d96dUfkf6Dne3TuLQzOYEYshJ+Hx8mw=="
     },
     "pstree.remy": {
       "version": "1.1.6",
@@ -8541,8 +8550,7 @@
     "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",
@@ -9147,7 +9155,6 @@
       "version": "2.88.0",
       "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
       "integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
-      "dev": true,
       "requires": {
         "aws-sign2": "~0.7.0",
         "aws4": "^1.8.0",
@@ -9174,14 +9181,12 @@
         "punycode": {
           "version": "1.4.1",
           "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
-          "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4=",
-          "dev": true
+          "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
         },
         "tough-cookie": {
           "version": "2.4.3",
           "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
           "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
-          "dev": true,
           "requires": {
             "psl": "^1.1.24",
             "punycode": "^1.4.1"
@@ -9732,6 +9737,30 @@
       "integrity": "sha512-A5MOagrPFga4YaKQSWHryl7AXvbQkEqpw4NNYMTNYUNV51bA8ABHgYFpqKx+YFFrw59xMV1qGH1R4AgoNIVgCw==",
       "dev": true
     },
+    "serve-favicon": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/serve-favicon/-/serve-favicon-2.5.0.tgz",
+      "integrity": "sha1-k10kDN/g9YBTB/3+ln2IlCosvPA=",
+      "requires": {
+        "etag": "~1.8.1",
+        "fresh": "0.5.2",
+        "ms": "2.1.1",
+        "parseurl": "~1.3.2",
+        "safe-buffer": "5.1.1"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+        },
+        "safe-buffer": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
+          "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
+        }
+      }
+    },
     "serve-static": {
       "version": "1.13.2",
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
@@ -10064,7 +10093,6 @@
       "version": "1.16.0",
       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.0.tgz",
       "integrity": "sha512-Zhev35/y7hRMcID/upReIvRse+I9SVhyVre/KTJSJQWMz3C3+G+HpO7m1wK/yckEtujKZ7dS4hkVxAnmHaIGVQ==",
-      "dev": true,
       "requires": {
         "asn1": "~0.2.3",
         "assert-plus": "^1.0.0",
@@ -10374,6 +10402,22 @@
         "has-flag": "^3.0.0"
       }
     },
+    "swagger-stats": {
+      "version": "0.95.7",
+      "resolved": "https://registry.npmjs.org/swagger-stats/-/swagger-stats-0.95.7.tgz",
+      "integrity": "sha512-HGt3sZ8pcMEZCLpuAbISyuyiwYJMAjmNDI+8IPGnd+glrIeGdEEyqPBsxi0+2UT1SYjnrmjxtjPvBf/aHz51Og==",
+      "requires": {
+        "basic-auth": "^2.0.0",
+        "cookies": "^0.7.1",
+        "debug": "^3.1.0",
+        "moment": "^2.19.3",
+        "natives": "^1.1.6",
+        "path-to-regexp": "^2.1.0",
+        "prom-client": "^11.0.0",
+        "request": "^2.85.0",
+        "uuid": "^3.1.0"
+      }
+    },
     "swagger-ui-express": {
       "version": "3.0.10",
       "resolved": "https://registry.npmjs.org/swagger-ui-express/-/swagger-ui-express-3.0.10.tgz",
@@ -10391,6 +10435,14 @@
       "integrity": "sha512-9I2ydhj8Z9veORCw5PRm4u9uebCn0mcCa6scWoNcbZ6dAtoo2618u9UUzxgmsCOreJpqDDuv61LvwofW7hLcBA==",
       "dev": true
     },
+    "tdigest": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/tdigest/-/tdigest-0.1.1.tgz",
+      "integrity": "sha1-Ljyyw56kSeVdHmzZEReszKRYgCE=",
+      "requires": {
+        "bintrees": "1.0.1"
+      }
+    },
     "term-size": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/term-size/-/term-size-1.2.0.tgz",
@@ -11182,7 +11234,6 @@
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
-      "dev": true,
       "requires": {
         "safe-buffer": "^5.0.1"
       }
@@ -11190,8 +11241,7 @@
     "tweetnacl": {
       "version": "0.14.5",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "dev": true
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
     },
     "type-check": {
       "version": "0.3.2",
@@ -11728,7 +11778,6 @@
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
       "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
-      "dev": true,
       "requires": {
         "punycode": "^2.1.0"
       }
@@ -11854,7 +11903,6 @@
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
-      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",

package.json

@@ -32,6 +32,8 @@
     "moment-timezone": "^0.5.23",
     "reflect-metadata": "^0.1.12",
     "rxjs": "^6.2.2",
+    "serve-favicon": "^2.5.0",
+    "swagger-stats": "^0.95.7",
     "typescript": "^3.0.1",
     "useragent": "^2.3.0"
   },
@@ -70,4 +72,4 @@
     "coverageDirectory": "../coverage",
     "testEnvironment": "node"
   }
-}
\ No newline at end of file
+}

src/main.ts

@@ -2,11 +2,18 @@ import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
 import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
 import { ValidationPipe } from '@nestjs/common';
-import * as fs from 'fs';
+import * as swStats from 'swagger-stats';
+import * as favicon from 'serve-favicon';
+import * as path from 'path';
+
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
-  app.enableCors({ credentials: true, origin: true});
+
+  app.enableCors({ credentials: true, origin: true });
+
+  app.use(favicon(path.join(__dirname, '../favicon.ico')));
+
   const options = new DocumentBuilder()
     .setBasePath('')
     .setTitle('Email service API')
@@ -15,9 +22,12 @@ async function bootstrap() {
     .addTag('email')
     .build();
   const document = SwaggerModule.createDocument(app, options);
-  fs.writeFileSync('./swagger-spec.json', JSON.stringify(document));
+
+  // Enable stats middleware based on the generated swagger document
+  app.use(swStats.getMiddleware(document));
 
   SwaggerModule.setup('api-doc', app, document);
+
   app.useGlobalPipes(new ValidationPipe());
 
   await app.listen(3000);