Highlight image metadata, alternates to image ref (#86)

.devcontainer/devcontainer.json

@@ -3,7 +3,8 @@
 // README at: https://github.com/devcontainers/templates/tree/main/src/javascript-node
 {
 	"name": "Node.js",
-	"image": "mcr.microsoft.com/devcontainers/javascript-node:16-bullseye",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/javascript-node:0-18-bullseye",
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	// "features": {},
@@ -12,9 +13,9 @@
 	"customizations": {
 		// Configure properties specific to VS Code.
 		"vscode": {
-			"settings": {},			
+			"settings": {},
 			"extensions": [
-				"dbaeumer.vscode-eslint"
+				"streetsidesoftware.code-spell-checker"
 			]
 		}
 	},
@@ -22,18 +23,14 @@
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [3000],
 
-	// Use 'portsAttributes' to set default properties for specific forwarded ports.
+	// Use 'portsAttributes' to set default properties for specific forwarded ports. 
+	// More info: https://containers.dev/implementors/json_reference/#port-attributes
 	"portsAttributes": {
-		"3000": {
+		"9000": {
 			"label": "Hello Remote World",
 			"onAutoForward": "notify"
 		}
 	},
-	
-	// Use 'otherPortsAttributes' to configure any ports that aren't configured using 'portsAttributes'.
-	// "otherPortsAttributes": {
-	// 		"onAutoForward": "silent"
-	// },
 
 	// Use 'postCreateCommand' to run commands after the container is created.
 	"postCreateCommand": "yarn install"