Cloudflare Developers•8mo ago

It should definitely work

HHello, I’m Allie!It should definitely work

dave•5/3/25, 5:15 PM

Any downsides?

Also, why isn’t minify the default?

Ddave Any downsides? Also, why isn’t minify the default?

Hello, I’m Allie!OP•5/3/25, 5:23 PM

Downsides for Minify? I guess that you can’t edit via the Dashboard, which some prefer for quick fixes?

HHello, I’m Allie!Downsides for Minify? I guess that you can’t edit via the Dashboard, which some ...

dave•5/3/25, 5:26 PM

Ah right. I’m using TypeScript, so quick edits are already not a thing.

Senti3ntB3ing•5/3/25, 6:34 PM

can i use post requests to change items on a workers display page?

Senti3ntB3ing•5/3/25, 6:34 PM

is there an example somewhere i can take a look at if so?

filyys•5/3/25, 6:35 PM

Hi, quick question, I don't want to create a post for this as it's a yes or no, but do I have use something like KV storage to store a single persistent variable in a worker? There's no simpler way of doing this?

Ffilyys Hi, quick question, I don't want to create a post for this as it's a yes or no, ...

Cyb3r-Jak3•5/3/25, 6:48 PM

What do you mean by persistent variable? You can use

define

define

but that is only set at build time

filyys•5/3/25, 6:49 PM

All I need is for it to not change. Workers can periodically restart afaik and I can't have it change the content of the variable

filyys•5/3/25, 6:49 PM

Soooo I was going to use KV storage for that, but one variable for that seems over-complicated

SSenti3ntB3ing can i use post requests to change items on a workers display page?

Cyb3r-Jak3•5/3/25, 6:49 PM

You can use the REST API to make changes to workers
https://developers.cloudflare.com/api/resources/workers/

Cloudflare API | Workers

Interact with Cloudflare's products and services via the Cloudflare API

Ffilyys Soooo I was going to use KV storage for that, but one variable for that seems ov...

Cyb3r-Jak3•5/3/25, 6:52 PM

You might want to use Durable Objects as KV storage isn't consistent

filyys•5/3/25, 6:53 PM

Okay, thanks for the guidance

CCyb3r-Jak3 You can use the REST API to make changes to workers https://developers.cloudflar...

Senti3ntB3ing•5/3/25, 6:55 PM

i'm looking more for changing the content of the page its serving - in the defauly example they give while setting up the worker, we make a few fetch GET requests to other endpoints of the worker to retrieve random UUID and change the html content of the page

Senti3ntB3ing•5/3/25, 6:56 PM

what i'm looking to do is send a request to another endpoint of my worker, which sends a request to external domain, which sends a callback to a different endpoint of my worker, which i would want to then send a post req to the original page

Senti3ntB3ing•5/3/25, 6:57 PM

Senti3ntB3ing•5/3/25, 6:57 PM

like this

Senti3ntB3ing•5/3/25, 7:09 PM

i think im overthinking it, i think i can do this

Niveth•5/4/25, 8:09 AM

Is it possible to deploy an worker and make it accessible only through my laptop.

similar to how tailscale does this

kaelys.js•5/4/25, 6:18 PM

How long should it take for a worker to spin up puppeteer (cold start) (browser rendering) and hit a single URL and return the content typically? Excluding website loading time of course.

kaelys.js•5/4/25, 6:19 PM

I’m trying to use a combination of browser rendering + queues + do to build a crawler for our internal use. Done the bulk of it. Should the browser instance live in DO or the queue handler?

James•5/4/25, 6:56 PM

If you re-use sessions, where you store the browser instance shouldn't matter much; https://developers.cloudflare.com/browser-rendering/workers-binding-api/reuse-sessions/

Cloudflare Docs

Reuse sessions

The best way to improve the performance of your browser rendering Worker is to reuse sessions. One way to do that is via Durable Objects, which allows you to keep a long running connection from a Worker to a browser. Another way is to keep the browser open after you've finished with it, and connect to that session each time you have a new request.

JJames If you re-use sessions, where you store the browser instance shouldn't matter mu...

kaelys.js•5/4/25, 8:48 PM

Thank you, I’ve read all the docs.

I’ll figure it out but what I’m finding is that it’s taking 15s before I get a response back, not sure where the issue is.

1. Basically have an api endpoint inside a DO that takes a url to open in puppeteer (any url has same 15s response time)
2. That gets sent to a queue
3. The queue handler launches puppeteer or connects to an existing session grabs the contents of the page and fetches to DO which resolves the initial api call.

All in one worker, it works fine. Session id is the same across multiple requests but it always takes a minimum of 15s.

The reason I’m using queues as this will grow into crawling our customers sites for compliance and need to test out the viability of using CF for this versus AWS/GCP/appify/etc

dizee•5/5/25, 1:19 AM

Do workers have a way to create new D1 databases? I couldn't find anything in the docs.

S2F STUDIO•5/5/25, 4:41 AM

Is there a webinar on how to deploy to Cloudflare Workers? Or how do one get support

S2F STUDIO•5/5/25, 4:42 AM

Is anyone here an expert on deploying to workers and able to guide for a fee

Ali_fff•5/5/25, 7:16 AM

Hey - So I am new to workers and JS.
By reading the docs, I kinda know how to deploy a React or NextJS app.
But I'm having a hard time to understand how can I deploy a full-stack application with both backend and front-end into one worker.

Can anyone help? Very general guidance could also be a big help

uncreative name•5/5/25, 8:03 AM

if i send requests to a worker from a page function using service bindings, is that billed as a seperate request?

Ddizee Do workers have a way to create new D1 databases? I couldn't find anything in th...

Ashley•5/5/25, 8:30 AM

No, you create them with Wrangler/Terraform/Dash and then bind it to your Worker, deploy and then it has access

SS2F STUDIO Is there a webinar on how to deploy to Cloudflare Workers? Or how do one get sup...

Ashley•5/5/25, 8:30 AM

https://youtu.be/H7Qe96fqg1M?si=fTlD-wJSI6MlEdDt

YouTubeCloudflare Developers

Learn Cloudflare Workers 101 - Full Course for Beginners

Learn how to build your first Cloudflare Workers application and deploy it to Cloudflare's global network. If you don’t already have an account sign up for a free Workers account today

https://workers.cloudflare.com!

Hosted by Kristian Freeman, Cloudflare Developer Advocate

https://twitter.com/kristianf_

Get Star...

Learn Cloudflare Workers 101 - Full Course for Beginners

AAli_fff Hey - So I am new to workers and JS. By reading the docs, I kinda know how to de...

Ashley•5/5/25, 8:31 AM

https://developers.cloudflare.com/workers/frameworks/framework-guides/nextjs/ is in beta, you can use Pages (not in beta) but everything is moving to Static Asset Workers. For the most part, it should look and feel like a regular NextJS app.

Cloudflare Docs

Next.js

Create an Next.js application and deploy it to Cloudflare Workers with Workers Assets.

Uuncreative name if i send requests to a worker from a page function using service bindings, is t...

Ashley•5/5/25, 8:35 AM

Nope, you’re billed for one request and you’re billed for the CPU used across both Worker invocations

AAshley Nope, you’re billed for one request and you’re billed for the CPU used across bo...

uncreative name•5/5/25, 8:39 AM

ah, neat. thanks!

dave•5/5/25, 2:45 PM

Is there any trick(s) I can do to prevent a 100 second timeout on a Worker subrequest? I do not control the endpoint that I'm fetching from sadly..

Ddave Is there any trick(s) I can do to prevent a 100 second timeout on a Worker subre...

James•5/5/25, 2:52 PM

You could a signalsignal to your outgoing

fetch

fetch

with signal: AbortSignal.timeout(5000)signal: AbortSignal.timeout(5000) or whatever and then catch the abort signal timeout?

JJames You could a `signal` to your outgoing `fetch` with `signal: AbortSignal.timeout(...

dave•5/5/25, 2:54 PM

ah, I was more hoping to keep the connection alive somehow.

James•5/5/25, 2:54 PM

Ah, not really then

dave•5/5/25, 2:54 PM

I find it weird subrequests don't obey my zone's timeout.

James•5/5/25, 2:54 PM

If you do it inside a DO, it might not timeout? I’ve not tested in a while

Shrey•5/5/25, 2:55 PM

Hey, we're launching a white-label enabled app and urgently need Custom Hostnames enabled for client domain mapping. Our clients are setting up CNAMEs now, so speed is key. Does any know where i can enable it.

PS- i am already on enterprise plan

Chaika•5/5/25, 3:03 PM

?crossposting -> Custom hostname

SuperHelpflare•5/5/25, 3:03 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.

cj•5/5/25, 3:39 PM

I have a workers app built with Hono. I've defined a few routes - one uses wasm, while the others are pretty lightweight and just talk to DO or D1. Will the wasm make this worker slow to init?
ref: binary-size of wasm in worker

cj•5/5/25, 3:40 PM

Should I be having multiple workers in this situation? (But how do I share the DO?)

soos•5/5/25, 7:02 PM

Could someone help me in #Help with HTML Rewriter please

kaelys.js•5/6/25, 1:50 AM

Is it possible to enable an access policy on both a pages.dev subdomain project as well as a custom domain tied to it?

oscar•5/6/25, 9:17 AM

hey! what's the best channel to ask questions regarding a bug with Cloudflare Images?

Kkaelys.js Is it possible to enable an access policy on both a pages.dev subdomain project ...

Hard@Work•5/6/25, 4:49 PM

No. Access Policies on the pages.devpages.dev usually break the Custom Domain(unless you just entirely bypass Access, which basically means it does nothing)

HHard@Work No. Access Policies on the `pages.dev` usually break the Custom Domain(unless yo...

dave•5/6/25, 4:53 PM

@Cole It depends, are you trying to only allow some people access, or do you just want to block access? The latter is easier.

It should definitely work

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