chore: import upstream snapshot with attribution

fixtures/interactive-dev-tests/multi-containers-app/DockerfileA

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+FROM node:22-alpine
+
+WORKDIR /usr/src/app
+RUN echo '{"name": "simple-node-app-a", "version": "1.0.0"}' > package.json
+RUN npm install
+
+RUN sleep 1
+
+RUN echo 'const { createServer } = require("http");\
+\
+const server = createServer(function (req, res) {\
+	res.writeHead(200, { "Content-Type": "text/plain" });\
+	res.write("Hello from Container A");\
+	res.end();\
+});\
+\
+server.listen(8080);\
+' > app.js
+
+EXPOSE 8080

fixtures/interactive-dev-tests/multi-containers-app/DockerfileB

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+FROM node:22-alpine
+
+WORKDIR /usr/src/app
+RUN echo '{"name": "simple-node-app-b", "version": "1.0.0"}' > package.json
+RUN npm install
+
+RUN sleep 1
+
+RUN echo 'const { createServer } = require("http");\
+\
+const server = createServer(function (req, res) {\
+	res.writeHead(200, { "Content-Type": "text/plain" });\
+	res.write("Hello from Container B");\
+	res.end();\
+});\
+\
+server.listen(8080);\
+' > app.js
+
+EXPOSE 8080

fixtures/interactive-dev-tests/multi-containers-app/src/index.ts

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+import { DurableObject } from "cloudflare:workers";
+
+class FixtureTestContainerBase extends DurableObject<Env> {
+	container: globalThis.Container;
+
+	constructor(ctx: DurableObjectState, env: Env) {
+		super(ctx, env);
+		this.container = ctx.container;
+	}
+
+	async fetch(req: Request) {
+		if (!this.container.running) {
+			this.container.start({
+				entrypoint: ["node", "app.js"],
+				enableInternet: false,
+			});
+			// On the first request we simply start the container and return,
+			// on the following requests the container can actually be accessed.
+			// Note that we do this this way because container.start is not awaitable
+			// meaning that we can't simply wait here for the container to be ready
+			return new Response("Container started");
+		}
+		return this.container
+			.getTcpPort(8080)
+			.fetch("http://foo/bar/baz", { method: "POST", body: "hello" });
+	}
+}
+
+export class FixtureTestContainerA extends FixtureTestContainerBase {}
+export class FixtureTestContainerB extends FixtureTestContainerBase {}
+
+export default {
+	async fetch(request, env): Promise<Response> {
+		const getContainerText = async (
+			container: "CONTAINER_A" | "CONTAINER_B"
+		) => {
+			const id = env[container].idFromName("container");
+			const stub = env[container].get(id);
+			return await (await stub.fetch(request)).text();
+		};
+		const containerAText = await getContainerText("CONTAINER_A");
+		const containerBText = await getContainerText("CONTAINER_B");
+		return new Response(
+			`Response from A: "${containerAText}"` +
+				" " +
+				`Response from B: "${containerBText}"`
+		);
+	},
+} satisfies ExportedHandler<Env>;

fixtures/interactive-dev-tests/multi-containers-app/src/tsconfig.json

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+{
+	"compilerOptions": {
+		"target": "ES2020",
+		"module": "ESNext",
+		"lib": ["ES2020"],
+		"types": ["@cloudflare/workers-types"],
+		"moduleResolution": "node",
+		"noEmit": true,
+		"skipLibCheck": true
+	},
+	"include": ["**/*.ts"]
+}

fixtures/interactive-dev-tests/multi-containers-app/src/worker-configuration.d.ts

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+/* eslint-disable */
+// Generated by Wrangler by running `wrangler types ./multi-containers-app/src/worker-configuration.d.ts -c ./multi-containers-app/wrangler.jsonc --no-include-runtime` (hash: bbb41fc3f9d6ad4abf178ab91cb66515)
+interface __BaseEnv_Env {
+	CONTAINER_A: DurableObjectNamespace<import("./index").FixtureTestContainerA>;
+	CONTAINER_B: DurableObjectNamespace<import("./index").FixtureTestContainerB>;
+}
+declare namespace Cloudflare {
+	interface GlobalProps {
+		mainModule: typeof import("./index");
+		durableNamespaces: "FixtureTestContainerA" | "FixtureTestContainerB";
+	}
+	interface Env extends __BaseEnv_Env {}
+}
+interface Env extends __BaseEnv_Env {}

fixtures/interactive-dev-tests/multi-containers-app/wrangler.jsonc

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+{
+	"name": "multi-containers-app",
+	"main": "src/index.ts",
+	"compatibility_date": "2025-04-03",
+	"containers": [
+		{
+			"image": "./DockerfileA",
+			"class_name": "FixtureTestContainerA",
+			"name": "containerA",
+			"max_instances": 2,
+		},
+		{
+			"image": "./DockerfileB",
+			"class_name": "FixtureTestContainerB",
+			"name": "containerB",
+			"max_instances": 2,
+		},
+	],
+	"durable_objects": {
+		"bindings": [
+			{
+				"class_name": "FixtureTestContainerA",
+				"name": "CONTAINER_A",
+			},
+			{
+				"class_name": "FixtureTestContainerB",
+				"name": "CONTAINER_B",
+			},
+		],
+	},
+	"migrations": [
+		{
+			"tag": "v1",
+			"new_sqlite_classes": ["FixtureTestContainerA"],
+		},
+		{
+			"tag": "v1",
+			"new_sqlite_classes": ["FixtureTestContainerB"],
+		},
+	],
+}