fix: package.json & package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:debug:20170905

.github/workflows/docker.yml

@@ -0,0 +1,34 @@
+name: Docker
+
+on: ["push", "pull_request"]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Cache Docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+      - name: Build
+        uses: docker/build-push-action@v2
+        with:
+          context: ./
+          file: ./Dockerfile
+          builder: ${{ steps.buildx.outputs.name }}
+          push: false
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache-new
+      - name: Move cache
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

Dockerfile

@@ -0,0 +1,18 @@
+FROM node:14
+
+# Create app directory
+WORKDIR /usr/src/app
+
+# Install app dependencies
+# A wildcard is used to ensure both package.json AND package-lock.json are copied
+# where available (npm@5+)
+COPY package*.json ./
+
+RUN npm install
+# If you are building your code for production
+# RUN npm ci --only=production
+
+# Bundle app source
+COPY . .
+
+CMD [ "sh", "-c", "node server.js" ]

package-lock.json

@@ -4,6 +4,29 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@types/component-emitter": {
+      "version": "1.2.10",
+      "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.10.tgz",
+      "integrity": "sha512-bsjleuRKWmGqajMerkzox19aGbscQX5rmmvvXl3wlIp5gMG1HgkiwPxsN5p070fBDKTNSPgojVbuY1+HWMbFhg=="
+    },
+    "@types/cookie": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz",
+      "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q=="
+    },
+    "@types/cors": {
+      "version": "2.8.17",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.17.tgz",
+      "integrity": "sha512-8CGDvrBj1zgo2qE+oS3pOCyYNqCPryMWY2bGfwA0dcfopWGgxs+78df0Rs3rc9THP4JkOhLsAa+15VdpAqkcUA==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/node": {
+      "version": "14.18.63",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.18.63.tgz",
+      "integrity": "sha512-fAtCfv4jJg+ExtXhvCkCqUKZ+4ok/JQk01qDKhL5BDDoS3AxKXhV5/MAVUZyQnSEd2GT92fkgZl0pz0Q0AzcIQ=="
+    },
     "accepts": {
       "version": "1.3.7",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
@@ -13,26 +36,11 @@
         "negotiator": "0.6.2"
       }
     },
-    "after": {
-      "version": "0.8.2",
-      "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
-      "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8="
-    },
     "array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
-    "arraybuffer.slice": {
-      "version": "0.0.7",
-      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz",
-      "integrity": "sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog=="
-    },
-    "backo2": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/backo2/-/backo2-1.0.2.tgz",
-      "integrity": "sha1-MasayLEpNjRj41s+u2n038+6eUc="
-    },
     "base64-arraybuffer": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz",
@@ -43,11 +51,6 @@
       "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
       "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog=="
     },
-    "blob": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
-      "integrity": "sha512-gaqbzQPqOoamawKg0LGVd7SzLgXS+JH61oWprSLH+P+abTczqJbhTR8CmJ2u9/bUYNmHTGJx/UEmn6doAvvuig=="
-    },
     "body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
@@ -83,21 +86,11 @@
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
     },
-    "component-bind": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/component-bind/-/component-bind-1.0.0.tgz",
-      "integrity": "sha1-AMYIq33Nk4l8AAllGx06jh5zu9E="
-    },
     "component-emitter": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
       "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg=="
     },
-    "component-inherit": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/component-inherit/-/component-inherit-0.0.3.tgz",
-      "integrity": "sha1-ZF/ErfWLcrZJ1crmUTVhnbJv8UM="
-    },
     "content-disposition": {
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.3.tgz",
@@ -121,6 +114,15 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
+    "cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "requires": {
+        "object-assign": "^4",
+        "vary": "^1"
+      }
+    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -150,71 +152,40 @@
       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
     },
     "engine.io": {
-      "version": "3.5.0",
+      "version": "4.0.6",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.5.0.tgz",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-4.0.6.tgz",
-      "integrity": "sha512-21HlvPUKaitDGE4GXNtQ7PLP0Sz4aWLddMPw2VTyFz1FVZqu/kZsJUO8WNpKuE/OCL7nkfRaOui2ZCJloGznGA==",
+      "integrity": "sha512-rf7HAVZpcRrcKEKddgIzYUnwg0g5HE1RvJaTLwkcfJmce4g+po8aMuE6vxzp6JwlK8FEq/vi0KWN6tA585DjaA==",
       "requires": {
         "accepts": "~1.3.4",
         "base64id": "2.0.0",
         "cookie": "~0.4.1",
-        "debug": "~4.1.0",
+        "cors": "~2.8.5",
-        "engine.io-parser": "~2.2.0",
+        "debug": "~4.3.1",
+        "engine.io-parser": "~4.0.0",
         "ws": "~7.4.2"
       },
       "dependencies": {
         "debug": {
-          "version": "4.1.1",
+          "version": "4.3.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
-          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
           "requires": {
-            "ms": "^2.1.1"
+            "ms": "2.1.2"
           }
         },
         "ms": {
-          "version": "2.1.3",
+          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
-        }
-      }
-    },
-    "engine.io-client": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.5.0.tgz",
-      "integrity": "sha512-12wPRfMrugVw/DNyJk34GQ5vIVArEcVMXWugQGGuw2XxUSztFNmJggZmv8IZlLyEdnpO1QB9LkcjeWewO2vxtA==",
-      "requires": {
-        "component-emitter": "~1.3.0",
-        "component-inherit": "0.0.3",
-        "debug": "~3.1.0",
-        "engine.io-parser": "~2.2.0",
-        "has-cors": "1.1.0",
-        "indexof": "0.0.1",
-        "parseqs": "0.0.6",
-        "parseuri": "0.0.6",
-        "ws": "~7.4.2",
-        "xmlhttprequest-ssl": "~1.5.4",
-        "yeast": "0.1.2"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
-          "requires": {
-            "ms": "2.0.0"
-          }
         }
       }
     },
     "engine.io-parser": {
-      "version": "2.2.1",
+      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-4.0.2.tgz",
-      "integrity": "sha512-x+dN/fBH8Ro8TFwJ+rkB2AmuVw9Yu2mockR/p3W8f8YtExwFgDvBDi0GWyb4ZLkpahtDGZgtr3zLovanJghPqg==",
+      "integrity": "sha512-sHfEQv6nmtJrq6TKuIz5kyEKH/qSdK56H/A+7DnAuUPWosnIZAS2NHNcPLmyjtY3cGS/MqJdZbUjW97JU72iYg==",
       "requires": {
-        "after": "0.8.2",
+        "base64-arraybuffer": "0.1.4"
-        "arraybuffer.slice": "~0.0.7",
-        "base64-arraybuffer": "0.1.4",
-        "blob": "0.0.5",
-        "has-binary2": "~1.0.2"
       }
     },
     "escape-html": {
@@ -322,19 +293,6 @@
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
-    "has-binary2": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/has-binary2/-/has-binary2-1.0.3.tgz",
-      "integrity": "sha512-G1LWKhDSvhGeAQ8mPVQlqNcOB2sJdwATtZKl2pDKKHfpf/rYj24lkinxf69blJbnsvtqqNU+L3SL50vzZhXOnw==",
-      "requires": {
-        "isarray": "2.0.1"
-      }
-    },
-    "has-cors": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/has-cors/-/has-cors-1.1.0.tgz",
-      "integrity": "sha1-XkdHk/fqmEPRu5nCPu9J/xJv/zk="
-    },
     "http-errors": {
       "version": "1.7.2",
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.2.tgz",
@@ -355,11 +313,6 @@
         "safer-buffer": ">= 2.1.2 < 3"
       }
     },
-    "indexof": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz",
-      "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10="
-    },
     "inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
@@ -370,11 +323,6 @@
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.0.tgz",
       "integrity": "sha512-M4Sjn6N/+O6/IXSJseKqHoFc+5FdGJ22sXqnjTpdZweHK64MzEPAyQZyEU3R/KRv2GLoa7nNtg/C2Ev6m7z+eA=="
     },
-    "isarray": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
-      "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
-    },
     "media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -396,16 +344,16 @@
       "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg=="
     },
     "mime-db": {
-      "version": "1.45.0",
+      "version": "1.46.0",
-      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.45.0.tgz",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.46.0.tgz",
-      "integrity": "sha512-CkqLUxUk15hofLoLyljJSrukZi8mAtgd+yE5uO4tqRZsdsAJKv0O+rFMhVDRJgozy+yG6md5KwuXhD4ocIoP+w=="
+      "integrity": "sha512-svXaP8UQRZ5K7or+ZmfNhg2xX3yKDMUzqadsSqi4NCH/KomcH75MAMYAGVlvXn4+b/xOPhS3I2uHKRUzvjY7BQ=="
     },
     "mime-types": {
-      "version": "2.1.28",
+      "version": "2.1.29",
-      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.28.tgz",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.29.tgz",
-      "integrity": "sha512-0TO2yJ5YHYr7M2zzT7gDU1tbwHxEUWBCLt0lscSNpcdAfFyJOVEpRYNS7EXVcTLNj/25QO8gulHC5JtTzSE2UQ==",
+      "integrity": "sha512-Y/jMt/S5sR9OaqteJtslsFZKWOIIqMACsJSiHghlCAyhf7jfVYjKBmLiX8OgpWeW+fjJ2b+Az69aPFPkUOY6xQ==",
       "requires": {
-        "mime-db": "1.45.0"
+        "mime-db": "1.46.0"
       }
     },
     "ms": {
@@ -418,6 +366,11 @@
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
       "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
     },
+    "object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
+    },
     "on-finished": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
@@ -426,16 +379,6 @@
         "ee-first": "1.1.1"
       }
     },
-    "parseqs": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.6.tgz",
-      "integrity": "sha512-jeAGzMDbfSHHA091hr0r31eYfTig+29g3GKKE/PPbEQ65X0lmMwlEoqmhzu0iztID5uJpZsFlUPDP8ThPL7M8w=="
-    },
-    "parseuri": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.6.tgz",
-      "integrity": "sha512-AUjen8sAkGgao7UyCX6Ahv0gIK2fABKmYjvP4xmy5JaKvcbTRueIqIPHLAfq30xJddqSE033IOMUSOMCcK3Sow=="
-    },
     "parseurl": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
@@ -530,103 +473,63 @@
       "integrity": "sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw=="
     },
     "socket.io": {
-      "version": "2.4.0",
+      "version": "3.0.5",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-3.0.5.tgz",
-      "integrity": "sha512-9UPJ1UTvKayuQfVv2IQ3k7tCQC/fboDyIK62i99dAQIyHKaBsNdTpwHLgKJ6guRWxRtC9H+138UwpaGuQO9uWQ==",
+      "integrity": "sha512-5yWQ43P/4IttmPCGKDQ3CVocBiJWGpibyhYJxgUhf69EHMzmK8XW0DkmHIoYdLmZaVZJyiEkUqpeC7rSCIqekw==",
       "requires": {
-        "debug": "~4.1.0",
+        "@types/cookie": "^0.4.0",
-        "engine.io": "~3.5.0",
+        "@types/cors": "^2.8.8",
-        "has-binary2": "~1.0.2",
+        "@types/node": "^14.14.10",
-        "socket.io-adapter": "~1.1.0",
+        "accepts": "~1.3.4",
-        "socket.io-client": "2.4.0",
+        "base64id": "~2.0.0",
-        "socket.io-parser": "~3.4.0"
+        "debug": "~4.3.1",
+        "engine.io": "~4.0.6",
+        "socket.io-adapter": "~2.0.3",
+        "socket.io-parser": "~4.0.3"
       },
       "dependencies": {
         "debug": {
-          "version": "4.1.1",
+          "version": "4.3.4",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
-          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
           "requires": {
-            "ms": "^2.1.1"
+            "ms": "2.1.2"
           }
         },
         "ms": {
-          "version": "2.1.3",
+          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
         }
       }
     },
     "socket.io-adapter": {
-      "version": "1.1.2",
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 }

package.json

@@ -5,6 +5,6 @@
   "dependencies": {
     "color-convert": "^1.9.3",
     "express": "^4.17.1",
-    "socket.io": "^2.4.0"
+    "socket.io": "^3.0.5"
   }
 }