diff --git a/package-lock.json b/package-lock.json
index 9c068d5..1447ff0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,33 +1,48 @@
 {
   "name": "vscode-devcontainer-tutorial",
   "version": "1.0.0",
-  "lockfileVersion": 1,
+  "lockfileVersion": 3,
   "requires": true,
-  "dependencies": {
-    "accepts": {
+  "packages": {
+    "": {
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "express": "^4.17.1",
+        "pg-promise": "^11.5.5"
+      }
+    },
+    "node_modules/accepts": {
       "version": "1.3.7",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
       "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
-      "requires": {
+      "dependencies": {
         "mime-types": "~2.1.24",
         "negotiator": "0.6.2"
+      },
+      "engines": {
+        "node": ">= 0.6"
       }
     },
-    "array-flatten": {
+    "node_modules/array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
-    "assert-options": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/assert-options/-/assert-options-0.6.2.tgz",
-      "integrity": "sha512-KP9S549XptFAPGYmLRnIjQBL4/Ry8Jx5YNLQZ/l+eejqbTidBMnw4uZSAsUrzBq/lgyqDYqxcTF7cOxZb9gyEw=="
+    "node_modules/assert-options": {
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/assert-options/-/assert-options-0.8.1.tgz",
+      "integrity": "sha512-5lNGRB5g5i2bGIzb+J1QQE1iKU/WEMVBReFIc5pPDWjcPj23otPL0eI6PB2v7QPi0qU6Mhym5D3y0ZiSIOf3GA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      }
     },
-    "body-parser": {
+    "node_modules/body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
       "integrity": "sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==",
-      "requires": {
+      "dependencies": {
         "bytes": "3.1.0",
         "content-type": "~1.0.4",
         "debug": "2.6.9",
@@ -38,84 +53,112 @@
         "qs": "6.7.0",
         "raw-body": "2.4.0",
         "type-is": "~1.6.17"
+      },
+      "engines": {
+        "node": ">= 0.8"
       }
     },
-    "buffer-writer": {
+    "node_modules/buffer-writer": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/buffer-writer/-/buffer-writer-2.0.0.tgz",
-      "integrity": "sha512-a7ZpuTZU1TRtnwyCNW3I5dc0wWNC3VR9S++Ewyk2HHZdrO3CQJqSpd+95Us590V6AL7JqUAH2IwZ/398PmNFgw=="
+      "integrity": "sha512-a7ZpuTZU1TRtnwyCNW3I5dc0wWNC3VR9S++Ewyk2HHZdrO3CQJqSpd+95Us590V6AL7JqUAH2IwZ/398PmNFgw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=4"
+      }
     },
-    "bytes": {
+    "node_modules/bytes": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
-      "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg=="
+      "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==",
+      "engines": {
+        "node": ">= 0.8"
+      }
     },
-    "content-disposition": {
+    "node_modules/content-disposition": {
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.3.tgz",
       "integrity": "sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==",
-      "requires": {
+      "dependencies": {
         "safe-buffer": "5.1.2"
+      },
+      "engines": {
+        "node": ">= 0.6"
       }
     },
-    "content-type": {
+    "node_modules/content-type": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
-      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA=="
+      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "cookie": {
+    "node_modules/cookie": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.0.tgz",
-      "integrity": "sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg=="
+      "integrity": "sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "cookie-signature": {
+    "node_modules/cookie-signature": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
-    "debug": {
+    "node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
       "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-      "requires": {
+      "dependencies": {
         "ms": "2.0.0"
       }
     },
-    "depd": {
+    "node_modules/depd": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
-      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak="
+      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "destroy": {
+    "node_modules/destroy": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
     },
-    "ee-first": {
+    "node_modules/ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
     },
-    "encodeurl": {
+    "node_modules/encodeurl": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
+      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=",
+      "engines": {
+        "node": ">= 0.8"
+      }
     },
-    "escape-html": {
+    "node_modules/escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
       "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
     },
-    "etag": {
+    "node_modules/etag": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
-      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
+      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "express": {
+    "node_modules/express": {
       "version": "4.17.1",
       "resolved": "https://registry.npmjs.org/express/-/express-4.17.1.tgz",
       "integrity": "sha512-mHJ9O79RqluphRrcw2X/GTh3k9tVv8YcoyY4Kkh4WDMUYKRZUq0h1o0w2rrrxBqM7VoeUVqgb27xlEMXTnYt4g==",
-      "requires": {
+      "dependencies": {
         "accepts": "~1.3.7",
         "array-flatten": "1.1.1",
         "body-parser": "1.19.0",
@@ -146,13 +189,16 @@
         "type-is": "~1.6.18",
         "utils-merge": "1.0.1",
         "vary": "~1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.10.0"
       }
     },
-    "finalhandler": {
+    "node_modules/finalhandler": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.2.tgz",
       "integrity": "sha512-aAWcW57uxVNrQZqFXjITpW3sIUQmHGG3qSb9mUah9MgMC4NeWhNOlNjXEYq3HjRAvL6arUviZGGJsBg6z0zsWA==",
-      "requires": {
+      "dependencies": {
         "debug": "2.6.9",
         "encodeurl": "~1.0.2",
         "escape-html": "~1.0.3",
@@ -160,258 +206,371 @@
         "parseurl": "~1.3.3",
         "statuses": "~1.5.0",
         "unpipe": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
       }
     },
-    "forwarded": {
+    "node_modules/forwarded": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
-      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
+      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "fresh": {
+    "node_modules/fresh": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
-      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
+      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "http-errors": {
+    "node_modules/http-errors": {
       "version": "1.7.2",
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.2.tgz",
       "integrity": "sha512-uUQBt3H/cSIVfch6i1EuPNy/YsRSOUBXTVfZ+yR7Zjez3qjBz6i9+i4zjNaoqcoFVI4lQJ5plg63TvGfRSDCRg==",
-      "requires": {
+      "dependencies": {
         "depd": "~1.1.2",
         "inherits": "2.0.3",
         "setprototypeof": "1.1.1",
         "statuses": ">= 1.5.0 < 2",
         "toidentifier": "1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
       }
     },
-    "iconv-lite": {
+    "node_modules/iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
       "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
-      "requires": {
+      "dependencies": {
         "safer-buffer": ">= 2.1.2 < 3"
+      },
+      "engines": {
+        "node": ">=0.10.0"
       }
     },
-    "inherits": {
+    "node_modules/inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
       "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
     },
-    "ipaddr.js": {
+    "node_modules/ipaddr.js": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
-      "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g=="
+      "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==",
+      "engines": {
+        "node": ">= 0.10"
+      }
     },
-    "media-typer": {
+    "node_modules/media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
-      "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g="
+      "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "merge-descriptors": {
+    "node_modules/merge-descriptors": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
       "integrity": "sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E="
     },
-    "methods": {
+    "node_modules/methods": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz",
-      "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4="
+      "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "mime": {
+    "node_modules/mime": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
-      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg=="
+      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==",
+      "bin": {
+        "mime": "cli.js"
+      },
+      "engines": {
+        "node": ">=4"
+      }
     },
-    "mime-db": {
+    "node_modules/mime-db": {
       "version": "1.44.0",
       "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.44.0.tgz",
-      "integrity": "sha512-/NOTfLrsPBVeH7YtFPgsVWveuL+4SjjYxaQ1xtM1KMFj7HdxlBlxeyNLzhyJVx7r4rZGJAZ/6lkKCitSc/Nmpg=="
+      "integrity": "sha512-/NOTfLrsPBVeH7YtFPgsVWveuL+4SjjYxaQ1xtM1KMFj7HdxlBlxeyNLzhyJVx7r4rZGJAZ/6lkKCitSc/Nmpg==",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "mime-types": {
+    "node_modules/mime-types": {
       "version": "2.1.27",
       "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.27.tgz",
       "integrity": "sha512-JIhqnCasI9yD+SsmkquHBxTSEuZdQX5BuQnS2Vc7puQQQ+8yiP5AY5uWhpdv4YL4VM5c6iliiYWPgJ/nJQLp7w==",
-      "requires": {
+      "dependencies": {
         "mime-db": "1.44.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
       }
     },
-    "ms": {
+    "node_modules/ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
-    "negotiator": {
+    "node_modules/negotiator": {
       "version": "0.6.2",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
-      "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
+      "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "on-finished": {
+    "node_modules/on-finished": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
       "integrity": "sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=",
-      "requires": {
+      "dependencies": {
         "ee-first": "1.1.1"
+      },
+      "engines": {
+        "node": ">= 0.8"
       }
     },
-    "packet-reader": {
+    "node_modules/packet-reader": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/packet-reader/-/packet-reader-1.0.0.tgz",
-      "integrity": "sha512-HAKu/fG3HpHFO0AA8WE8q2g+gBJaZ9MG7fcKk+IJPLTGAD6Psw4443l+9DGRbOIh3/aXr7Phy0TjilYivJo5XQ=="
+      "integrity": "sha512-HAKu/fG3HpHFO0AA8WE8q2g+gBJaZ9MG7fcKk+IJPLTGAD6Psw4443l+9DGRbOIh3/aXr7Phy0TjilYivJo5XQ==",
+      "license": "MIT"
     },
-    "parseurl": {
+    "node_modules/parseurl": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
-      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="
+      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==",
+      "engines": {
+        "node": ">= 0.8"
+      }
     },
-    "path-to-regexp": {
+    "node_modules/path-to-regexp": {
       "version": "0.1.7",
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
       "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
     },
-    "pg": {
-      "version": "8.2.1",
-      "resolved": "https://registry.npmjs.org/pg/-/pg-8.2.1.tgz",
-      "integrity": "sha512-DKzffhpkWRr9jx7vKxA+ur79KG+SKw+PdjMb1IRhMiKI9zqYUGczwFprqy+5Veh/DCcFs1Y6V8lRLN5I1DlleQ==",
-      "requires": {
+    "node_modules/pg": {
+      "version": "8.11.3",
+      "resolved": "https://registry.npmjs.org/pg/-/pg-8.11.3.tgz",
+      "integrity": "sha512-+9iuvG8QfaaUrrph+kpF24cXkH1YOOUeArRNYIxq1viYHZagBxrTno7cecY1Fa44tJeZvaoG+Djpkc3JwehN5g==",
+      "license": "MIT",
+      "dependencies": {
         "buffer-writer": "2.0.0",
         "packet-reader": "1.0.0",
-        "pg-connection-string": "^2.2.3",
-        "pg-pool": "^3.2.1",
-        "pg-protocol": "^1.2.4",
+        "pg-connection-string": "^2.6.2",
+        "pg-pool": "^3.6.1",
+        "pg-protocol": "^1.6.0",
         "pg-types": "^2.1.0",
-        "pgpass": "1.x",
-        "semver": "4.3.2"
+        "pgpass": "1.x"
+      },
+      "engines": {
+        "node": ">= 8.0.0"
+      },
+      "optionalDependencies": {
+        "pg-cloudflare": "^1.1.1"
+      },
+      "peerDependencies": {
+        "pg-native": ">=3.0.1"
+      },
+      "peerDependenciesMeta": {
+        "pg-native": {
+          "optional": true
+        }
       }
     },
-    "pg-connection-string": {
-      "version": "2.2.3",
-      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.2.3.tgz",
-      "integrity": "sha512-I/KCSQGmOrZx6sMHXkOs2MjddrYcqpza3Dtsy0AjIgBr/bZiPJRK9WhABXN1Uy1UDazRbi9gZEzO2sAhL5EqiQ=="
+    "node_modules/pg-cloudflare": {
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/pg-cloudflare/-/pg-cloudflare-1.2.7.tgz",
+      "integrity": "sha512-YgCtzMH0ptvZJslLM1ffsY4EuGaU0cx4XSdXLRFae8bPP4dS5xL1tNB3k2o/N64cHJpwU7dxKli/nZ2lUa5fLg==",
+      "license": "MIT",
+      "optional": true
     },
-    "pg-int8": {
+    "node_modules/pg-connection-string": {
+      "version": "2.9.1",
+      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.9.1.tgz",
+      "integrity": "sha512-nkc6NpDcvPVpZXxrreI/FOtX3XemeLl8E0qFr6F2Lrm/I8WOnaWNhIPK2Z7OHpw7gh5XJThi6j6ppgNoaT1w4w==",
+      "license": "MIT"
+    },
+    "node_modules/pg-int8": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/pg-int8/-/pg-int8-1.0.1.tgz",
-      "integrity": "sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw=="
+      "integrity": "sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw==",
+      "license": "ISC",
+      "engines": {
+        "node": ">=4.0.0"
+      }
     },
-    "pg-minify": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/pg-minify/-/pg-minify-1.6.0.tgz",
-      "integrity": "sha512-5Yxduh9Hul9Xev6uI3rSCypPk1kI7vI03ZPu5lgerrhiZ7QLj1Zd92SU2ZyalHVztlWnnPMnTZ+SeXJwh3eY9g=="
-    },
-    "pg-pool": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.2.1.tgz",
-      "integrity": "sha512-BQDPWUeKenVrMMDN9opfns/kZo4lxmSWhIqo+cSAF7+lfi9ZclQbr9vfnlNaPr8wYF3UYjm5X0yPAhbcgqNOdA=="
-    },
-    "pg-promise": {
-      "version": "10.5.6",
-      "resolved": "https://registry.npmjs.org/pg-promise/-/pg-promise-10.5.6.tgz",
-      "integrity": "sha512-3xyJqlJ98YS8X00CckikjlRJAjq0MgFv4UuG4K3fLc0P9ZkLW6WbSQ9pIGBJ9IY7QijBLbKwVEw2Ji3BrjkEdA==",
-      "requires": {
-        "assert-options": "0.6.2",
-        "pg": "8.2.1",
-        "pg-minify": "1.6.0",
-        "spex": "3.0.1"
-      }
-    },
-    "pg-protocol": {
-      "version": "1.2.4",
-      "resolved": "https://registry.npmjs.org/pg-protocol/-/pg-protocol-1.2.4.tgz",
-      "integrity": "sha512-/8L/G+vW/VhWjTGXpGh8XVkXOFx1ZDY+Yuz//Ab8CfjInzFkreI+fDG3WjCeSra7fIZwAFxzbGptNbm8xSXenw=="
-    },
-    "pg-types": {
+    "node_modules/pg-minify": {
+      "version": "1.6.3",
+      "resolved": "https://registry.npmjs.org/pg-minify/-/pg-minify-1.6.3.tgz",
+      "integrity": "sha512-NoSsPqXxbkD8RIe+peQCqiea4QzXgosdTKY8p7PsbbGsh2F8TifDj/vJxfuR8qJwNYrijdSs7uf0tAe6WOyCsQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
+    "node_modules/pg-pool": {
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.10.1.tgz",
+      "integrity": "sha512-Tu8jMlcX+9d8+QVzKIvM/uJtp07PKr82IUOYEphaWcoBhIYkoHpLXN3qO59nAI11ripznDsEzEv8nUxBVWajGg==",
+      "license": "MIT",
+      "peerDependencies": {
+        "pg": ">=8.0"
+      }
+    },
+    "node_modules/pg-promise": {
+      "version": "11.5.5",
+      "resolved": "https://registry.npmjs.org/pg-promise/-/pg-promise-11.5.5.tgz",
+      "integrity": "sha512-DpJkDDH7rG0wUwFRRHimdV6DtG/UTK2SBEKC7KGFR6a5Zuqf9eGThR7dqIaHXnEBDZuWxUfWC5zMRqyk4EP7Lw==",
+      "license": "MIT",
+      "dependencies": {
+        "assert-options": "0.8.1",
+        "pg": "8.11.3",
+        "pg-minify": "1.6.3",
+        "spex": "3.3.0"
+      },
+      "engines": {
+        "node": ">=14.0"
+      }
+    },
+    "node_modules/pg-protocol": {
+      "version": "1.10.3",
+      "resolved": "https://registry.npmjs.org/pg-protocol/-/pg-protocol-1.10.3.tgz",
+      "integrity": "sha512-6DIBgBQaTKDJyxnXaLiLR8wBpQQcGWuAESkRBX/t6OwA8YsqP+iVSiond2EDy6Y/dsGk8rh/jtax3js5NeV7JQ==",
+      "license": "MIT"
+    },
+    "node_modules/pg-types": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/pg-types/-/pg-types-2.2.0.tgz",
       "integrity": "sha512-qTAAlrEsl8s4OiEQY69wDvcMIdQN6wdz5ojQiOy6YRMuynxenON0O5oCpJI6lshc6scgAY8qvJ2On/p+CXY0GA==",
-      "requires": {
+      "license": "MIT",
+      "dependencies": {
         "pg-int8": "1.0.1",
         "postgres-array": "~2.0.0",
         "postgres-bytea": "~1.0.0",
         "postgres-date": "~1.0.4",
         "postgres-interval": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=4"
       }
     },
-    "pgpass": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.2.tgz",
-      "integrity": "sha1-Knu0G2BltnkH6R2hsHwYR8h3swY=",
-      "requires": {
-        "split": "^1.0.0"
+    "node_modules/pgpass": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/pgpass/-/pgpass-1.0.5.tgz",
+      "integrity": "sha512-FdW9r/jQZhSeohs1Z3sI1yxFQNFvMcnmfuj4WBMUTxOrAyLMaTcE1aAMBiTlbMNaXvBCQuVi0R7hd8udDSP7ug==",
+      "license": "MIT",
+      "dependencies": {
+        "split2": "^4.1.0"
       }
     },
-    "postgres-array": {
+    "node_modules/postgres-array": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-2.0.0.tgz",
-      "integrity": "sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA=="
+      "integrity": "sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=4"
+      }
     },
-    "postgres-bytea": {
+    "node_modules/postgres-bytea": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/postgres-bytea/-/postgres-bytea-1.0.0.tgz",
-      "integrity": "sha1-AntTPAqokOJtFy1Hz5zOzFIazTU="
+      "integrity": "sha512-xy3pmLuQqRBZBXDULy7KbaitYqLcmxigw14Q5sj8QBVLqEwXfeybIKVWiqAXTlcvdvb0+xkOtDbfQMOf4lST1w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
     },
-    "postgres-date": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.5.tgz",
-      "integrity": "sha512-pdau6GRPERdAYUQwkBnGKxEfPyhVZXG/JiS44iZWiNdSOWE09N2lUgN6yshuq6fVSon4Pm0VMXd1srUUkLe9iA=="
+    "node_modules/postgres-date": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/postgres-date/-/postgres-date-1.0.7.tgz",
+      "integrity": "sha512-suDmjLVQg78nMK2UZ454hAG+OAW+HQPZ6n++TNDUX+L0+uUlLywnoxJKDou51Zm+zTCjrCl0Nq6J9C5hP9vK/Q==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
     },
-    "postgres-interval": {
+    "node_modules/postgres-interval": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/postgres-interval/-/postgres-interval-1.2.0.tgz",
       "integrity": "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==",
-      "requires": {
+      "license": "MIT",
+      "dependencies": {
         "xtend": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
       }
     },
-    "proxy-addr": {
+    "node_modules/proxy-addr": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.6.tgz",
       "integrity": "sha512-dh/frvCBVmSsDYzw6n926jv974gddhkFPfiN8hPOi30Wax25QZyZEGveluCgliBnqmuM+UJmBErbAUFIoDbjOw==",
-      "requires": {
+      "dependencies": {
         "forwarded": "~0.1.2",
         "ipaddr.js": "1.9.1"
+      },
+      "engines": {
+        "node": ">= 0.10"
       }
     },
-    "qs": {
+    "node_modules/qs": {
       "version": "6.7.0",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
-      "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ=="
+      "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==",
+      "engines": {
+        "node": ">=0.6"
+      }
     },
-    "range-parser": {
+    "node_modules/range-parser": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
-      "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg=="
+      "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "raw-body": {
+    "node_modules/raw-body": {
       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.4.0.tgz",
       "integrity": "sha512-4Oz8DUIwdvoa5qMJelxipzi/iJIi40O5cGV1wNYp5hvZP8ZN0T+jiNkL0QepXs+EsQ9XJ8ipEDoiH70ySUJP3Q==",
-      "requires": {
+      "dependencies": {
         "bytes": "3.1.0",
         "http-errors": "1.7.2",
         "iconv-lite": "0.4.24",
         "unpipe": "1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
       }
     },
-    "safe-buffer": {
+    "node_modules/safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
       "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
-    "safer-buffer": {
+    "node_modules/safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
-    "semver": {
-      "version": "4.3.2",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
-      "integrity": "sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c="
-    },
-    "send": {
+    "node_modules/send": {
       "version": "0.17.1",
       "resolved": "https://registry.npmjs.org/send/-/send-0.17.1.tgz",
       "integrity": "sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==",
-      "requires": {
+      "dependencies": {
         "debug": "2.6.9",
         "depd": "~1.1.2",
         "destroy": "~1.0.4",
@@ -426,86 +585,112 @@
         "range-parser": "~1.2.1",
         "statuses": "~1.5.0"
       },
-      "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=="
-        }
+      "engines": {
+        "node": ">= 0.8.0"
       }
     },
-    "serve-static": {
+    "node_modules/send/node_modules/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=="
+    },
+    "node_modules/serve-static": {
       "version": "1.14.1",
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.1.tgz",
       "integrity": "sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==",
-      "requires": {
+      "dependencies": {
         "encodeurl": "~1.0.2",
         "escape-html": "~1.0.3",
         "parseurl": "~1.3.3",
         "send": "0.17.1"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
       }
     },
-    "setprototypeof": {
+    "node_modules/setprototypeof": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
       "integrity": "sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw=="
     },
-    "spex": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/spex/-/spex-3.0.1.tgz",
-      "integrity": "sha512-priWZUrXBmVPHTOmtUeS7gZzCOUwRK87OHJw5K8bTC6MLOq93mQocx+vWccNyKPT2EY+goZvKGguGn2lx8TBDA=="
+    "node_modules/spex": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/spex/-/spex-3.3.0.tgz",
+      "integrity": "sha512-VNiXjFp6R4ldPbVRYbpxlD35yRHceecVXlct1J4/X80KuuPnW2AXMq3sGwhnJOhKkUsOxAT6nRGfGE5pocVw5w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      }
     },
-    "split": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/split/-/split-1.0.1.tgz",
-      "integrity": "sha512-mTyOoPbrivtXnwnIxZRFYRrPNtEFKlpB2fvjSnCQUiAA6qAZzqwna5envK4uk6OIeP17CsdF3rSBGYVBsU0Tkg==",
-      "requires": {
-        "through": "2"
+    "node_modules/split2": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
+      "integrity": "sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==",
+      "license": "ISC",
+      "engines": {
+        "node": ">= 10.x"
       }
     },
-    "statuses": {
+    "node_modules/statuses": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
-      "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
-    },
-    "through": {
-      "version": "2.3.8",
-      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
-      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
+      "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=",
+      "engines": {
+        "node": ">= 0.6"
+      }
     },
-    "toidentifier": {
+    "node_modules/toidentifier": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
-      "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
+      "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==",
+      "engines": {
+        "node": ">=0.6"
+      }
     },
-    "type-is": {
+    "node_modules/type-is": {
       "version": "1.6.18",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
       "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
-      "requires": {
+      "dependencies": {
         "media-typer": "0.3.0",
         "mime-types": "~2.1.24"
+      },
+      "engines": {
+        "node": ">= 0.6"
       }
     },
-    "unpipe": {
+    "node_modules/unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
-      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
+      "engines": {
+        "node": ">= 0.8"
+      }
     },
-    "utils-merge": {
+    "node_modules/utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=",
+      "engines": {
+        "node": ">= 0.4.0"
+      }
     },
-    "vary": {
+    "node_modules/vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
+      "engines": {
+        "node": ">= 0.8"
+      }
     },
-    "xtend": {
+    "node_modules/xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
-      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ=="
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.4"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index e1e3f65..5543cef 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,6 @@
   "homepage": "https://github.com/0916dhkim/vscode-devcontainer-tutorial#readme",
   "dependencies": {
     "express": "^4.17.1",
-    "pg-promise": "^10.5.6"
+    "pg-promise": "^11.5.5"
   }
 }