[Containers] Fix code snippets on landing page (#25220)

Author: KianNH

src/content/docs/containers/index.mdx

@@ -46,65 +46,63 @@ With Containers you can run:
 - Existing applications and tools that have been distributed as container images
 
 Container instances are spun up on-demand and controlled by code you write in your [Worker](/workers).  Instead of chaining together API calls or writing Kubernetes operators, you just write JavaScript:
+
 <Tabs>
 	<TabItem label="Worker Code">
-```js
-import { Container, getContainer } from "@cloudflare/containers";
-
-export class MyContainer extends Container {
-	defaultPort = 4000; // Port the container is listening on
-	sleepAfter = "10m"; // Stop the instance if requests not sent for 10 minutes
-}
-
-async fetch(request, env) {
-	const { "session-id": sessionId } = await request.json();
-	// Get the container instance for the given session ID
-	const containerInstance = getContainer(env.MY_CONTAINER, sessionId)
-	// Pass the request to the container instance on its default port
-	return containerInstance.fetch(request);
-}
-
-```
-</TabItem>
-<TabItem label="Worker Config">
-<WranglerConfig>
-
-```json
-{
-  "name": "container-starter",
-  "main": "src/index.js",
-  "containers": [
-    {
-      "class_name": "MyContainer",
-      "image": "./Dockerfile",
-      "instances": 5,
-    }
-  ],
-  "durable_objects": {
-		"bindings": [
-			{
-				"class_name": "MyContainer",
-        "name": "MY_CONTAINER"
-      }
-    ]
-  },
-	"migrations": [
-		{
-			"new_sqlite_classes": [
-				"MyContainer"
-			],
-			"tag": "v1"
+		```js
+		import { Container, getContainer } from "@cloudflare/containers";
+
+		export class MyContainer extends Container {
+			defaultPort = 4000; // Port the container is listening on
+			sleepAfter = "10m"; // Stop the instance if requests not sent for 10 minutes
 		}
-	],
-}
-```
 
-</WranglerConfig>
-</TabItem>
+		export default {
+			async fetch(request, env) {
+				const { "session-id": sessionId } = await request.json();
+				// Get the container instance for the given session ID
+				const containerInstance = getContainer(env.MY_CONTAINER, sessionId);
+				// Pass the request to the container instance on its default port
+				return containerInstance.fetch(request);
+			},
+		};
+		```
+	</TabItem>
+	<TabItem label="Worker Config">
+		<WranglerConfig>
+			```json
+			{
+				"name": "container-starter",
+				"main": "src/index.js",
+				"compatibility_date": "$today",
+				"containers": [
+					{
+						"class_name": "MyContainer",
+						"image": "./Dockerfile",
+						"max_instances": 5
+					}
+				],
+				"durable_objects": {
+					"bindings": [
+						{
+							"class_name": "MyContainer",
+							"name": "MY_CONTAINER"
+						}
+					]
+				},
+				"migrations": [
+					{
+						"new_sqlite_classes": ["MyContainer"],
+						"tag": "v1"
+					}
+				]
+			}
+			```
+		</WranglerConfig>
+	</TabItem>
 </Tabs>
 
-
- <LinkButton variant="primary" href="/containers/get-started/">Get started</LinkButton> <LinkButton variant="secondary" href="https://dash.cloudflare.com/?to=/:account/workers/containers">Containers dashboard</LinkButton>
+<LinkButton variant="primary" href="/containers/get-started/">Get started</LinkButton> <LinkButton variant="secondary" href="https://dash.cloudflare.com/?to=/:account/workers/containers">Containers dashboard</LinkButton>
 
 ---