Hi question about the workers execution time I'm migrating from Supabase edge function cause they h

Hi question about the workers execution time

I'm migrating from Supabase edge function cause they have a hard limit on the function execution time (2 seconds), does anyone know what is the limitation on Workers?
I'm trying to generate a pdf which contains ~30 pages, which could take ~10s.

XXiao 🥑Hi question about the workers execution time I'm migrating from Supabase edge f...

Chaika•6/20/24, 9:18 PM

there's no hard limit on duration (other then the fact that runtime upgrades happen and your worker only gets 30s to finish its work). There are limits on CPU Time (time the cpu is active/doing stuff, most importantly excludes time waiting on i/o like fetchs) and Memory: https://developers.cloudflare.com/workers/platform/limits/#worker-limits

Cloudflare Docs

Limits · Cloudflare Workers docs

Cloudflare Workers plan and platform limits.

CChaika there's no hard limit on duration (other then the fact that runtime upgrades hap...

Xiao 🥑OP•6/20/24, 9:19 PM

that's exactly what I'm looking for, thanks so much :MeowHeartCloudflare:

taczzy•6/20/24, 10:55 PM

In https://blog.cloudflare.com/pages-workers-integrations-monorepos-nextjs-wrangler, under the "What’s next for the convergence of Workers and Pages?" there is a bit about Pages features coming soon to Workers - Serve static assets from Workers. You will be able to deploy and serve static assets as part of Workers – just like you can with Pages today – and build Workers using full-stack frameworks!

I'm curious, are there any new updates on this work?

Walshy•6/21/24, 8:27 AM

Just that it's in development and we're working on it

ItsWendell•6/21/24, 9:37 AM

In Cloudflare (Workers), how does the 'fetch' caching behavoir work when the fetched resource is a redirected to somewhere else?

Let's say we have a cache everything and TTL on a specific fetch request, that fetch requests ends up doing a temporary redirect to another URL, will it, the URL that is being redirected to, be fetched from cloudflare's cache if available?

A concrete example for our Storyblok scenario: If we don't have a cache version (cv) available and we fetch /v2/cdn/stories/home?key=234234234/v2/cdn/stories/home?key=234234234, Storyblok will redirect this to a link that does have the cache value (cv) query param /v2/cdn/stories/home?cv=2342342234&key=234234234/v2/cdn/stories/home?cv=2342342234&key=234234234, will the second URL be fetched from the cloudflare cache or not? Preferably in this case, if we get a redirect status code from Storyblok, we don't want to cache that response. But if it redirects to an URL that does have the cache version (cv) included, and we already have that cached, we want to actually retrieve it from the cloudflare cache if available there.

Might I need to add a response status code specific cache rule? Or how does the caching behavoir work when redirects are involved?

Xiao 🥑OP•6/21/24, 1:40 PM

Hi I'm to create a simple api with itty-router, but ran into this error, anyone has any idea how to fix this?

A hanging Promise was canceled. This happens when the worker runtime is waiting for a Promise from JavaScript to resolve, but has detected that the Promise cannot possibly ever resolve because all code and events related to the Promise's I/O context have already finished.

const router = Router();

router.get('/api', () => {
    return new Response('Welcome to the inspecti api', {
            headers: { 'Content-Type': 'text/plain' },
    });
});

router.all('*', () => new Response('404, not found!', { status: 404 }));

export default {
    fetch: (request: Request, env: Env, ctx: ExecutionContext) => router.handle(request, env, ctx),
} satisfies ExportedHandler<Env>;

const router = Router();

router.get('/api', () => {
    return new Response('Welcome to the inspecti api', {
            headers: { 'Content-Type': 'text/plain' },
    });
});

router.all('*', () => new Response('404, not found!', { status: 404 }));

export default {
    fetch: (request: Request, env: Env, ctx: ExecutionContext) => router.handle(request, env, ctx),
} satisfies ExportedHandler<Env>;

SonyC•6/21/24, 3:19 PM

Good day guys.
I wanna ask for advices about how deploy a worker API that I implemented using D1 as storage and a react SPA built using vite, that I used to serve using express.js.
1 - Is it good to deploy the worker as is and in parallel the react SPA in pages? Will this be ok?
2- Will this need cors whitelist or something?
3 -Will be better to serve the SPA using getAssetFromKV from '@Cloudflare/kv-asset-handler'?
4- Will using functions will be better for my case?

I'm reading now about Workers Sites, will this be an option?

dave•6/21/24, 7:38 PM

YES YES YES https://developers.cloudflare.com/workers/runtime-apis/bindings/version-metadata/

Cloudflare Docs

Version metadata · Cloudflare Workers docs

Exposes Worker version metadata (

versionID

versionID

and

versionTag

versionTag

). These fields can be added to events emitted from the Worker to send to downstream …

dave•6/21/24, 7:38 PM

finally

skoogeer•6/21/24, 8:56 PM

Hi Everyone. Existing Cloudflare Workers customers can now maintain free access to the MailChannels sending API. All we ask for is for you to help us guide product improvements. If you want a free API key and console account that will continue working after June 30th, please DM me and I will hook you up. Official notice: https://support.mailchannels.com/hc/en-us/articles/26814255454093-End-of-Life-Notice-Cloudflare-Workers

skoogeer•6/21/24, 8:56 PM

PS If I'm slow to reply, feel free to fill in our sales contact form: https://info.mailchannels.com/contact-sales

Contact Sales

Contact MailChannels to learn more about how we can help secure and deliver your hosting emails.

James•6/21/24, 9:03 PM

yeah I would definitely recommend folks just stick with Resend, Postmark, SendGrid, SES, or many others rather than using MailChannels. Security issues and the company's communication has made it impossible for me to recommend MailChannels to anyone. See https://community.cloudflare.com/t/mailchannels-end-of-life-notice-migrate-now/658638#alternatives-1 for some links to tutorials for alternatives.

Sskoogeer Hi Everyone. Existing Cloudflare Workers customers can now maintain free access ...

James•6/21/24, 9:19 PM

In exchange for being an early user, you will receive a significantly discounted price when the improved commercial service launches later this year.

Can you clarify this? Will the API key you get after DMing you not actually remain free and "continue working"?

skoogeer•6/21/24, 9:28 PM

The API will continue working. We have been providing email delivery service continuously since 2012 and have no intention to pull any rugs. The only thing that is ending is the provision of a free service tied to Workers IPs.

JJames yeah I would definitely recommend folks just stick with Resend, Postmark, SendGr...

dave•6/21/24, 9:32 PM

+9,000, AWS SES is so much better.

Sskoogeer The API will continue working. We have been providing email delivery service con...

dave•6/21/24, 9:33 PM

you still don't support any method of knowing if an email was ever delivered, right?

Sskoogeer The API will continue working. We have been providing email delivery service con...

James•6/21/24, 9:33 PM

For how long will the API key you provide to folks who DM you continue to work? Is there a timeline to when you might require them to pay for this "commercial service"?

James•6/21/24, 9:33 PM

This is not clear at all in your support article right now

Ddave you still don't support any method of knowing if an email was ever delivered, ri...

skoogeer•6/21/24, 9:34 PM

Hi Dave. If you sign up for an API key, you will get a console account that lets you see logs of message deliveries. There is not webhook for delivery status yet, but this is a key feature that we will provide when we relaunch later this year (among many more).

dave•6/21/24, 9:34 PM

btw AWS SES works perfectly with aws4fetch, we've been using it for 100% of our outgoing company emails

Sskoogeer Hi Dave. If you sign up for an API key, you will get a console account that lets...

dave•6/21/24, 9:35 PM

uh, so I have to fill this form out? https://info.mailchannels.com/contact-sales

Contact Sales

Contact MailChannels to learn more about how we can help secure and deliver your hosting emails.

JJames This is not clear at all in your support article right now

skoogeer•6/21/24, 9:41 PM

Thanks for the feedback, James.

Ddave uh, so I have to fill this form out? https://info.mailchannels.com/contact-sales

skoogeer•6/21/24, 9:41 PM

Yes, at this time, the general sales contact form is the way to get an API key. We will issue keys and accounts to everyone next week.

Sskoogeer Thanks for the feedback, James.

James•6/21/24, 9:42 PM

Can you provide a clear answer please? If you're going to be soliciting folks to DM you here, you need to be extremely clear and transparent about what you're offering, and when/if that will change. Your communication up to this point hasn't been the greatest, so you need to go an extra mile here if you want to create any goodwill in the developer community.

Sskoogeer Yes, at this time, the general sales contact form is the way to get an API key. ...

dave•6/21/24, 9:44 PM

could you give us a copy/paste message to send to support?

skoogeer•6/21/24, 9:48 PM

Sure, and apologies for the lack of clarity. When you contact our team, just indicate you are a Cloudflare Workers customer and you would like an API key. The form collects your name and email address so that we can follow up with the necessary credentials. My team is on the lookout for these submissions.

JJames Can you provide a clear answer please? If you're going to be soliciting folks to...

skoogeer•6/21/24, 9:56 PM

I appreciate your request for a specific timeline and recommend that you sign up for a free API key as we plan to engage actively with users once they have accounts on our platform.

euan•6/21/24, 9:58 PM

Sounds like a fine opportunity for Cloudflare to introduce a platform-native email sending product for Workers to leverage. Shame it's not developer week.

louis.ecxs•6/21/24, 10:00 PM

uh, hi everyone i’m really not knowledgeable on this stuff but i got the advanced certificate and a bunch of subdomains, but one of my workers, that i deployed with my Debian Raspberrypi with Vue3 and Vite is now pointing all of my subdomains to “fallback domain” which stupidly enough, is - by my own admission- my root domain.

now i’ve changed the fallback but cloudflare hasn’t validated the root cert in 48h, while all subdomains are instantly ready.
so i guess my question is, if my worker is removed, does it delete all subs?

i’m ashamed of it but that’s the worker and i’m able to configure it but idk why and when i made it

Sskoogeer I appreciate your request for a specific timeline and recommend that you sign up...

James•6/21/24, 10:01 PM

To be clear, you want people to signup, hand over their details, use your platform, build out their implementations, and then you'll tell them when they might no longer be able to use it, pay up, or functionality will change? This isn't a good look. You're smarter than this, come on.

James•6/21/24, 10:04 PM

I appreciate you coming here and offering this to folks, but you really need to be more explicit about what you're offering. You once offered a free service with Cloudflare Workers that was then terminated with very little notice. If you want people to trust you and your platform again, you can't not provide them with more explicit information and guarantees Ken.

Llouis.ecxs uh, hi everyone i’m really not knowledgeable on this stuff but i got the advance...

louis.ecxs•6/21/24, 10:05 PM

sorry - that’s the worker:

// src/index.ts
var src_default = {
async fetch(request, env, ctx) {
return new Response("Hello World!");
}
};
export {
src_default as default
};
//# sourceMappingURL=index.js.map

Sskoogeer Sure, and apologies for the lack of clarity. When you contact our team, just ind...

dave•6/21/24, 10:06 PM

thanks, mind pinging me when you have something ready I can copy paste for support?

skoogeer•6/21/24, 10:13 PM

I understand your concerns, and I want to clarify a few points:

Using our service is completely optional. If the new API key requirement doesn't work for you, you're free to use an alternative.
The API will remain free. The key simply helps us manage usage and ensure sustainability.
We aim to be transparent, but can't always pre-announce changes publicly for competitive reasons. However, we commit to giving registered users ample notice of any major changes impacting their implementation.
Signing up for a key now won't impact your current functionality. If any changes are necessary in the future, we'll work with you to ensure a smooth transition.

Our goal is to balance providing a useful free service with keeping our business viable. API keys are a step towards that. I appreciate your feedback as we navigate this change. Please let me know if you have any other concerns.

Ddave thanks, mind pinging me when you have something ready I can copy paste for suppo...

skoogeer•6/21/24, 10:14 PM

Hi Dave. Sorry, I thought I pasted something above. Just indicate you are a Cloudflare Workers customer and you would like an API key. The form collects your name and email address so that we can follow up with the necessary credentials. My team is on the lookout for these submissions.

Sskoogeer I understand your concerns, and I want to clarify a few points: 1. Using our se...

James•6/21/24, 10:16 PM

To confirm, with this quote in your article:

In exchange for being an early user, you will receive a significantly discounted price when the improved commercial service launches later this year.

This new "commercial service" won't replace the free service, and folks will be able to continue using that if they get an API key?

James•6/21/24, 10:17 PM

I don't think anyone here is against getting an API key - that's standard practice. There's just lots of concerns about reliability, deprecation, etc. based on previous experience and communication here.

Sskoogeer Hi Dave. Sorry, I thought I pasted something above. Just indicate you are a Clou...

dave•6/21/24, 10:18 PM

alright, I sent

Cloudflare Workers MailChannels developer/user, we'd like a free API key please.

Cloudflare Workers MailChannels developer/user, we'd like a free API key please.

JJames To confirm, with this quote in your article: > In exchange for being an early us...

dave•6/21/24, 10:18 PM

oh wait, just discounted?! I thought there was gonna be a free tier

Ddave oh wait, just discounted?! I thought there was gonna be a free tier

James•6/21/24, 10:19 PM

that's where the confusion is and still hasn't really been clarified. The first paragraph in https://support.mailchannels.com/hc/en-us/articles/26814255454093-End-of-Life-Notice-Cloudflare-Workers seems to contradict itself.

JJames that's where the confusion is and still hasn't really been clarified. The first ...

dave•6/21/24, 10:24 PM

9 days of notice is crazy either way imo

Ddave 9 days of notice is crazy either way imo

James•6/21/24, 10:25 PM

yeah I would imagine most people have migrated away at this point, as per advice of lots of folks in this server and the community

JJames yeah I would imagine most people have migrated away at this point, as per advice...

dave•6/21/24, 10:26 PM

Even if they extend it to 9 years, it's a super bad idea to keep doing business with a company that thought 9 days of notice would be okay to begin with.

James•6/21/24, 10:26 PM

Also another question @skoogeer after you've covered the previous, in that article you include:

MailChannels plans to launch a more capable email delivery API in the future, complete with delivery tracking features, DKIM-key hosting, generative-AI delivery optimization, and more.

Is this going to include basic domain sender verification this time?

JJames Also another question @skoogeer after you've covered the previous, in that artic...

dave•6/21/24, 10:36 PM

that's a feature to not have! ;P

dave•6/21/24, 11:07 PM

do I need to set

version_metadata

version_metadata

for each of my envs, or is the key enough to have in the root just once?

dave•6/21/24, 11:09 PM

answer, I need it for each env

dave•6/21/24, 11:17 PM

@Unsmart general-discussions

I found a good solution for this (Backblaze B2 erroring with 503, 429, 500, etc):

Setup: I set up two buckets, one in us-east and one in us-west. Then, I set up two bidirectional cloud replication rules.

In my Worker, I try to upload to the us-east bucket first, and flip flop between us-west and us-east for repeated attempts until it works.

Eventually, both buckets will contain 1:1 of the same data, even when there's an outage too in one region.

kindaraffy•6/22/24, 10:24 AM

Hi, you guys might want to extend the cf docs on worker RPC to include the utility type

InstanceType

InstanceType

. It automatically types your RPC classes so you could use your RPC methods in other workers with type-safety.

https://developers.cloudflare.com/workers/runtime-apis/rpc/

An example:

import { RpcTarget, WorkerEntrypoint } from 'cloudflare:workers';

class Counter extends RpcTarget {
    #value = 0;

    increment(amount: number = 1) {
        this.#value += amount;
        return this.#value;
    }

    get value() {
        return this.#value;
    }
}

export class CounterService extends WorkerEntrypoint {
    async newCounter() {
        return new Counter();
    }
}

export type CounterServiceStub = InstanceType<typeof CounterService>;

import { RpcTarget, WorkerEntrypoint } from 'cloudflare:workers';

class Counter extends RpcTarget {
    #value = 0;

    increment(amount: number = 1) {
        this.#value += amount;
        return this.#value;
    }

    get value() {
        return this.#value;
    }
}

export class CounterService extends WorkerEntrypoint {
    async newCounter() {
        return new Counter();
    }
}

export type CounterServiceStub = InstanceType<typeof CounterService>;

Then, use the CounterServiceStub in your RPC client for type-checked method signatures for the downstream worker you are calling.

Cloudflare Docs

Remote-procedure call (RPC) · Cloudflare Workers docs

The built-in, JavaScript-native RPC system built into Workers and Durable Objects.