Hello, is it possible to use WASM (Web Assembly) on cloudflare pages? - Cloudflare Developers

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1984 Ford Laser

1

1984 Ford Laser•11/4/25, 1:17 AM

What are people's email sending service of choice to use with Workers? I know the closed beta of the new email product is coming this month, but don't wanna wait around too long for access. I will be sending around 100 emails a week, and the addresses will always be from the same set of users more or less (would prefer to not need a manual confirmation from users to be allowed to accept email from service). No plans to scale higher, so something with a free tier or something is best. The content will be a templated HTML or something similar depending what the service requires

------Hello, is it possible to use WASM (Web Assembly) on cloudflare pages?

1984 Ford Laser

1

1984 Ford Laser•11/4/25, 4:22 AM

This might be of interest
pages-discussions

Dubz

D

Dubz•11/4/25, 4:35 AM

idk if this is new or I'm just blind, but whomever added this here, THANK YOU!

Dubz

D

Dubz•11/4/25, 5:31 AM

I changed my cron to run every 5 minutes but it won't run now despite showing the correct "next run time" :NotLikeThis:

Dubz

D

Dubz•11/4/25, 5:32 AM

ofc now it is lmao nvm

Dubz

D

Dubz•11/4/25, 6:25 AM

Building tomorrow :dogekek:
(my computer time syncs with time.cloudflare.com so idk lmao)

Dubz

DDubz Building tomorrow :dogekek: (my computer time syncs with time.cloudflare.com so ...

1984 Ford Laser

1

1984 Ford Laser•11/4/25, 9:18 AM

There was just a discussion in #off-topic about the CF NTP servers not being great

1984 Ford Laser

11984 Ford Laser There was just a discussion in #off-topic about the CF NTP servers not being gre...

Dubz

D

Dubz•11/4/25, 9:30 AM

ah, good call. thanks lol

1984 Ford Laser

1

1984 Ford Laser•11/4/25, 10:16 AM

Would it be against ToS to ingest a video stream (fMP4) from Stream using a DO and something like mp4box, then send the video frames as bytes over WebSockets to listening clients and then the clients re-create the streams using Media Source Extensions?

1984 Ford Laser

11984 Ford Laser This might be of interest https://discord.com/channels/595317990191398933/789155...

-

-----OP•11/4/25, 1:42 PM

Is it with workers?

-

-----OP•11/4/25, 1:42 PM

or can i just deploy .wasm files to pages

Asutosh Panda

A

Asutosh Panda•11/4/25, 2:15 PM

hey folks, new to the cf platform
have deployed a few static sites on the pages
but now when I tried to deploy something more, getting a bunch of errors
the app is in nextjs, fetches real estate info from a google sheet

so far tried to use edge runtime, nothing was on the depoyed URL
api routes work fine in local but becomes messy when I use functions, nothing loads on the app

used this guide - https://developers.cloudflare.com/workers/framework-guides/web-apps/nextjs/#deploy-an-existing-nextjs-project-on-workers
no luck with this as well, have been trying in local, the preview or run dev commands dont bring up the app in the respeactive port
shared the screenshot with project structure and errors as well

what else is missing or going wrong here, can anyone please help out to make this work with wrangler locally, then I will jump to the deployed one
please let me know what else do I need to share to give more context

Asutosh Panda

A

Asutosh Panda•11/4/25, 2:16 PM

dave

D

dave•11/4/25, 9:01 PM

After removing my * * * * ** * * * * cron schedule several minutes ago, I see it's still being trigger..

dave

D

dave•11/4/25, 9:01 PM

is there an outage or something?

dave

Ddave After removing my `* * * * *` cron schedule several minutes ago, I see it's stil...

Hard@Work

H

Hard@Work•11/4/25, 9:03 PM

IIRC cron updates take a bit of time to propagate

Hard@Work

H

Hard@Work•11/4/25, 9:04 PM

Specifically adding/removing

Isaac McFadyen

I

Isaac McFadyen•11/4/25, 9:05 PM

I believe there is a cron for the cron Worker updates (yes actually) :lul:

Chaika

C

Chaika•11/4/25, 9:06 PM

Changes such as adding a new Cron Trigger, updating an old Cron Trigger, or deleting a Cron Trigger may take several minutes (up to 15 minutes) to propagate to the Cloudflare global network.

Celestial Rose

CCelestial Rose hey ! this is kind of a n00b question but asking anyway 😂 i am using caches.def...

Celestial Rose

C

Celestial Rose•11/4/25, 10:03 PM

Celestial Rose

C

Celestial Rose•11/4/25, 10:03 PM

whoops confused workflows and workers channels, x-posting here

Dubz

D

Dubz•11/5/25, 12:31 AM

Is there a way to limit build run time for deployments? Sometimes mine glitches and runs endlessly but usually only takes around 30-40 seconds to complete.

1984 Ford Laser

11984 Ford Laser There was just a discussion in #off-topic about the CF NTP servers not being gre...

Dubz

D

Dubz•11/5/25, 8:37 AM

apparently I was using time.cloudflare..comtime.cloudflare..com this entire time

George Clasher

G

George Clasher•11/5/25, 8:43 AM

Can I keep my cf worker sleep 180 seconds and then send response, I have paid plan

Dubz

D

Dubz•11/5/25, 8:54 AM

Also apparently Windows 11 just isn't working with NTP sync. Also having DNS service dropping randomly for this computer. Idk just all around screwy. So I guess it's all on my end after all lmao.

Fixed that, had to re-register the w32tm service apparently even though it was acting normal otherwise. Good ol' Windows ig.

stavros-k

S

stavros-k•11/5/25, 11:55 AM

Hi!
I'm trying to increase the project (pages) limits (100). Tried both the form and opening a general-help thread general-helpProject limit increase but I've got no response for a while. What are my options?

Thanks

T

TK•11/5/25, 1:08 PM

Hey folks, we're doing a little discovery on local debugging with local resources/bindings when building with wrangler, and looking for some feedback. If you've previously posted feedback on this kind of idea please link it to me in the thread I am sorry I haven't been here that long!

Do you ever have challenges with this? What do you typically do to check the state of your locally emulated CF resources when developing/seeding/resetting around stateful stuff. This would be using tools like D1, R2, DOs or KV, and having a local version of your application without using remote: trueremote: true.

Recently we came across this VS Code extension that allows you to view KV data locally. Has anyone tried this or tools that do similar jobs for D1 or other resources, I can think of a couple! (Here's the extension https://marketplace.windsurf.com/vscode/item?itemName=swalkerdev.cloudflare-kv-explorer)

I'd love to hear what's working, what's not working, what tools you've tried, and especially any specific challenges you have had in this space. Starting a thread

.

rikka0w0

R

rikka0w0•11/5/25, 3:38 PM

According to the document, calling ctx.waitUntil will keep the worker alive for 30s(wall clock) until the given promise resolves.

My question is, if I return a ReadableStream in the fetch event, can I extend the worker life time (wall clock) more than 30s by calling ctx.waitUntil multiple times?

rikka0w0

Rrikka0w0 According to the document, calling ctx.waitUntil will keep the worker alive for ...

Hello, I’m Allie!

H

Hello, I’m Allie!•11/5/25, 3:45 PM

No, you get 30 seconds irrespective of how many times you call it

Chaika

C

Chaika•11/5/25, 3:45 PM

?crossposting -> calling ctx.waitUntil multiple times

SuperHelpflare

S

SuperHelpflare•11/5/25, 3:45 PM

Please do not post your question in multiple channels/post it multiple times per the rules at #

welcome-and-rules. It creates confusion for people trying to help you and doesn't get your issue or question solved any faster.

Hello, I’m Allie!

HHello, I’m Allie!No, you get 30 seconds irrespective of how many times you call it

rikka0w0

R

rikka0w0•11/5/25, 4:11 PM

sounds like the 30s is a one-time hard limit that can never be extended?

rikka0w0

Rrikka0w0 sounds like the 30s is a one-time hard limit that can never be extended?

Hello, I’m Allie!

H

Hello, I’m Allie!•11/5/25, 4:14 PM

To my knowledge, that’s correct

FACELESSMAN

F

FACELESSMAN•11/5/25, 4:54 PM

In the new CF Workers - how do I enable preview within the same Worker? Is it as simple as setting "preview_urls": true, "preview_urls": true, in my wrangler.jsonc?
Ok if that's that easy then how do I set up environment variables specific to each env: preview and ... prod?

FACELESSMAN

F

FACELESSMAN•11/5/25, 4:57 PM

or is this not the way CF Workers work now (I come from the Legacy pages)

FACELESSMAN

F

FACELESSMAN•11/5/25, 4:59 PM

this is the feature in Pages i am referring to: https://developers.cloudflare.com/pages/configuration/preview-deployments/

Cloudflare Docs

Preview deployments

Preview deployments allow you to preview new versions of your project without deploying it to production. To view preview deployments:

Preview deployments

D Trombett

D

D Trombett•11/5/25, 7:05 PM

I never had problem with builds since today. Now it is saying that I'm authenticating with an API token that doesn't have enough perms. I don't have a custom token but I'm using the one auto generated for worker builds

D Trombett

D

D Trombett•11/5/25, 7:18 PM

looks like the problem is not my api token, I've edited the message to remove outdated info

D Trombett

D

D Trombett•11/5/25, 7:22 PM

Maybe this is related to the fact that I've just added a VPC binding?

kritikal

K

kritikal•11/5/25, 7:53 PM

anyone getting Build failed to initialize and was timed out on workers deploy?

kritikal

Kkritikal anyone getting Build failed to initialize and was timed out on workers deploy?

armorstudiosdevops

A

armorstudiosdevops•11/5/25, 9:23 PM

I have seen this. And it was when deploying through the dashboard not terminal, wrangler etc.

Maverick

M

Maverick•11/5/25, 9:36 PM

I'm encountering build failures since yesterday night. Anyone else encountering issues during build or to initialize the build envrionment?

Maverick

M

Maverick•11/5/25, 9:37 PM

The below are the errors I'm encountering.

07:24:28.466 Initializing build environment...
07:29:28.930 Build failed to initialize and was timed out
07:24:28.466 Initializing build environment...
07:29:28.930 Build failed to initialize and was timed out

Maverick

MMaverick I'm encountering build failures since yesterday night. Anyone else encountering ...

texan

T

texan•11/5/25, 10:17 PM

Inc raised!
https://www.cloudflarestatus.com/incidents/xtd2pqrj1f4q

Workers Builds increased failure rate

ZachHandley

Z

ZachHandley•11/5/25, 11:08 PM

Hey! Just curious, I have a .env file with my secrets, and then they're in CF Workers for my environment, but when I run preview with the workers, it doesn't seem to load the .env file, and there's no docs on how to "declare" a var in the wrangler.json that's a secret

ZachHandley

ZZachHandley Hey! Just curious, I have a .env file with my secrets, and then they're in CF Wo...

Hard@Work

H

Hard@Work•11/5/25, 11:12 PM

When you "run preview", do you mean like

wrangler dev --remote

wrangler dev --remote

?

ZachHandley

Z

ZachHandley•11/5/25, 11:12 PM

nvm so I can wrangler dev, can I wrangler preview?

ZachHandley

Z

ZachHandley•11/5/25, 11:12 PM

I am trying to preview so like, my local build is fine, and when I run wrangler dev it is fine, but when I go to my site, there's an error

ZachHandley

ZZachHandley nvm so I can wrangler dev, can I wrangler preview?

Hard@Work

H

Hard@Work•11/5/25, 11:12 PM

IIRC they got rid of wrangler previewwrangler preview?