chore(devcontainer): upgrade to Node.js 20 (#229)

.devcontainer/Dockerfile

@@ -1,8 +1,10 @@
-# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.203.0/containers/typescript-node/.devcontainer/base.Dockerfile
+# See here for image contents:
+# https://github.com/devcontainers/images/tree/main/src/typescript-node
 
-# [Choice] Node.js version (use -bullseye variants on local arm64/Apple Silicon): 16, 14, 12, 16-bullseye, 14-bullseye, 12-bullseye, 16-buster, 14-buster, 12-buster
-ARG VARIANT="16-bullseye"
-FROM mcr.microsoft.com/vscode/devcontainers/typescript-node:0-${VARIANT}
+# [Choice] Node.js version (use -bullseye variants on local arm64/Apple Silicon)
+# https://mcr.microsoft.com/v2/vscode/devcontainers/javascript-node/tags/list
+ARG VARIANT=20-bullseye
+FROM mcr.microsoft.com/vscode/devcontainers/typescript-node:${VARIANT}
 
 # [Optional] Uncomment this section to install additional OS packages.
 # RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \

.devcontainer/devcontainer.json

@@ -1,25 +1,29 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
-// https://github.com/microsoft/vscode-dev-containers/tree/v0.203.0/containers/typescript-node
+// https://github.com/devcontainers/images/tree/main/src/typescript-node
 {
 	"name": "Node.js & TypeScript",
 	"runArgs": [
 		"--init"
 	],
 	"build": {
 		"dockerfile": "Dockerfile",
-		// Update 'VARIANT' to pick a Node version: 16, 14, 12.
+		// Update 'VARIANT' to pick a Node version
 		// Append -bullseye or -buster to pin to an OS version.
 		// Use -bullseye variants on local on arm64/Apple Silicon.
 		"args": {
-			"VARIANT": "16-bullseye"
+			"VARIANT": "20-bullseye"
+		}
+	},
+	"customizations": {
+		"vscode": {
+			// Set *default* container specific settings.json values on container create.
+			"settings": {},
+			// Add the IDs of extensions you want installed when the container is created.
+			"extensions": [
+				"waderyan.nodejs-extension-pack"
+			]
 		}
 	},
-	// Set *default* container specific settings.json values on container create.
-	"settings": {},
-	// Add the IDs of extensions you want installed when the container is created.
-	"extensions": [
-		"waderyan.nodejs-extension-pack"
-	],
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [],
 	// Use 'postCreateCommand' to run commands after the container is created.