Repro for https://github.com/cloudflare/puppeteer/issues/50

worker.ts

import puppeteer from '@cloudflare/puppeteer';
/**
 * Welcome to Cloudflare Workers! This is your first worker.
 *
 * - Run `npm run dev` in your terminal to start a development server
 * - Open a browser tab at http://localhost:8787/ to see your worker in action
 * - Run `npm run deploy` to publish your worker
 *
 * Bind resources to your worker in `wrangler.toml`. After adding bindings, a type definition for the
 * `Env` object can be regenerated with `npm run cf-typegen`.
 *
 * Learn more at https://developers.cloudflare.com/workers/
 */

export type Env = {
	MY_BROWSER: Fetcher;
};

export default {
	async fetch(request: Request, env: Env, ctx: ExecutionContext): Promise<Response> {
		const browser = await puppeteer.launch(env.MY_BROWSER);
		const page = await browser.newPage();
		await page.goto('https://www.google.com');
		return new Response(await page.screenshot(), {
			headers: {
				'content-type': 'image/jpeg',
			},
		});
	},
} satisfies ExportedHandler<Env>;

wrangler.toml

#:schema node_modules/wrangler/config-schema.json
name = "browser-worker"
main = "src/index.ts"
compatibility_date = "2024-06-05"
compatibility_flags = ["nodejs_compat"]


# Bind a headless browser instance running on Cloudflare's global network.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#browser-rendering
[browser]
binding = "MY_BROWSER"