diff --git a/package-lock.json b/package-lock.json
index 3594f6a34..3f68a44ce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -686,6 +686,15 @@
         "@types/node": "*"
       }
     },
+    "@types/koa-logger": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/@types/koa-logger/-/koa-logger-3.1.2.tgz",
+      "integrity": "sha512-sioTA1xlKYiIgryANWPRHBkG3XGbWftw9slWADUPC+qvPIY/yRLSrhvX7zkJwMrntub5dPO0GuAoyGGf0yitfQ==",
+      "dev": true,
+      "requires": {
+        "@types/koa": "*"
+      }
+    },
     "@types/koa-route": {
       "version": "3.2.4",
       "resolved": "https://registry.npmjs.org/@types/koa-route/-/koa-route-3.2.4.tgz",
@@ -908,7 +917,6 @@
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
       "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-      "dev": true,
       "requires": {
         "color-convert": "^1.9.0"
       }
@@ -1248,7 +1256,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -1805,7 +1813,6 @@
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
       "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
-      "dev": true,
       "requires": {
         "color-name": "1.1.3"
       }
@@ -1813,8 +1820,7 @@
     "color-name": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
-      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
-      "dev": true
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
     },
     "colour": {
       "version": "0.7.1",
@@ -2344,8 +2350,7 @@
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
-      "dev": true
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
     },
     "esm": {
       "version": "3.0.82",
@@ -2631,12 +2636,9 @@
       }
     },
     "follow-redirects": {
-      "version": "1.5.8",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.8.tgz",
-      "integrity": "sha512-sy1mXPmv7kLAMKW/8XofG7o9T+6gAjzdZK4AJF6ryqQYUa/hnzgiypoeUecZ53x7XiqKNEpNqLtS97MshW2nxg==",
-      "requires": {
-        "debug": "=3.1.0"
-      }
+      "version": "1.14.7",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.7.tgz",
+      "integrity": "sha512-+hbxoLbFMbRKDwohX8GkTataGqO6Jb7jGwpAlwgy2bIz25XtRm7KEzJM76R1WiNT5SwZkX4Y75SwBolkpmE7iQ=="
     },
     "for-in": {
       "version": "1.0.2",
@@ -2712,7 +2714,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2733,12 +2736,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2753,17 +2758,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2880,7 +2888,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2892,6 +2901,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2906,6 +2916,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2913,12 +2924,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -2937,6 +2950,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3017,7 +3031,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -3029,6 +3044,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -3114,7 +3130,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3150,6 +3167,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -3169,6 +3187,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -3212,12 +3231,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -3905,8 +3926,7 @@
     "has-flag": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
-      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
-      "dev": true
+      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
     },
     "has-value": {
       "version": "1.0.0",
@@ -3983,6 +4003,11 @@
         "debug": "^3.1.0"
       }
     },
+    "humanize-number": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/humanize-number/-/humanize-number-0.0.2.tgz",
+      "integrity": "sha1-EcCvakcWQ2M1iFiASPF5lUFInBg="
+    },
     "iconv-lite": {
       "version": "0.4.23",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.23.tgz",
@@ -4572,6 +4597,34 @@
       "resolved": "https://registry.npmjs.org/koa-is-json/-/koa-is-json-1.0.0.tgz",
       "integrity": "sha1-JzwH7c3Ljfaiwat9We52SRRR7BQ="
     },
+    "koa-logger": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/koa-logger/-/koa-logger-3.2.1.tgz",
+      "integrity": "sha512-MjlznhLLKy9+kG8nAXKJLM0/ClsQp/Or2vI3a5rbSQmgl8IJBQO0KI5FA70BvW+hqjtxjp49SpH2E7okS6NmHg==",
+      "requires": {
+        "bytes": "^3.1.0",
+        "chalk": "^2.4.2",
+        "humanize-number": "0.0.2",
+        "passthrough-counter": "^1.0.0"
+      },
+      "dependencies": {
+        "bytes": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.1.tgz",
+          "integrity": "sha512-dWe4nWO/ruEOY7HkUJ5gFt1DCFV9zPRoJr8pV0/ASQermOZjtq8jMjOprC0Kd10GLN+l7xaUPvxzJFWtxGu8Fg=="
+        },
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        }
+      }
+    },
     "koa-route": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/koa-route/-/koa-route-3.2.0.tgz",
@@ -5323,6 +5376,11 @@
       "resolved": "https://registry.npmjs.org/pascalcase/-/pascalcase-0.1.1.tgz",
       "integrity": "sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ="
     },
+    "passthrough-counter": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/passthrough-counter/-/passthrough-counter-1.0.0.tgz",
+      "integrity": "sha1-GWfZ5m2lcrXAI8eH2xEqOHqxZvo="
+    },
     "path-dirname": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/path-dirname/-/path-dirname-1.0.2.tgz",
@@ -5687,7 +5745,7 @@
       "dependencies": {
         "http-errors": {
           "version": "1.6.3",
-          "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
           "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
           "requires": {
             "depd": "~1.1.2",
@@ -5948,7 +6006,7 @@
       "dependencies": {
         "http-errors": {
           "version": "1.6.3",
-          "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
           "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
           "requires": {
             "depd": "~1.1.2",
@@ -6522,7 +6580,6 @@
       "version": "5.5.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
       "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-      "dev": true,
       "requires": {
         "has-flag": "^3.0.0"
       }