update containers fixture to use ctx.exports

Author: emily-shen

fixtures/container-app/src/index.ts

@@ -51,17 +51,18 @@ export class FixtureTestContainer extends DurableObject<Env> {
 }
 
 export default {
-	async fetch(request, env): Promise<Response> {
+	async fetch(request, env, ctx: ExecutionContext): Promise<Response> {
 		const url = new URL(request.url);
 		if (url.pathname === "/second") {
 			// This is a second Durable Object that can be used to test multiple DOs
-			const id = env.CONTAINER.idFromName("second-container");
-			const stub = env.CONTAINER.get(id);
+			const id =
+				ctx.exports.FixtureTestContainer.idFromName("second-container");
+			const stub = ctx.exports.FixtureTestContainer.get(id);
 			const query = url.searchParams.get("req");
 			return stub.fetch("http://example.com/" + query);
 		}
-		const id = env.CONTAINER.idFromName("container");
-		const stub = env.CONTAINER.get(id);
+		const id = ctx.exports.FixtureTestContainer.idFromName("container");
+		const stub = ctx.exports.FixtureTestContainer.get(id);
 		return stub.fetch(request);
 	},
 } satisfies ExportedHandler<Env>;

fixtures/container-app/wrangler.jsonc

@@ -2,6 +2,7 @@
 	"name": "container-app",
 	"main": "src/index.ts",
 	"compatibility_date": "2025-04-03",
+	"compatibility_flags": ["enable_ctx_exports"],
 	"containers": [
 		{
 			"image": "./Dockerfile",
@@ -10,14 +11,6 @@
 			"max_instances": 2,
 		},
 	],
-	"durable_objects": {
-		"bindings": [
-			{
-				"class_name": "FixtureTestContainer",
-				"name": "CONTAINER",
-			},
-		],
-	},
 	"migrations": [
 		{
 			"tag": "v1",