Cloudflare Developers•13mo ago

can someone link me to the list of compatibility dates and what they do?

Ccodebam can someone link me to the list of compatibility dates and what they do?

Hard@Work•12/19/24, 11:56 PM

Here's a list of Compatibility Flags

Cloudflare Docs

Compatibility flags · Cloudflare Workers docs

Opt into a specific features of the Workers runtime for your Workers project.

codebamOP•12/19/24, 11:56 PM

thank you

codebamOP•12/19/24, 11:57 PM

why is 09-02 listed above 11-11

codebamOP•12/19/24, 11:57 PM

oh wait I understand

sszsssszs•12/20/24, 12:05 PM

May I nextJs 15 is supported for opennext yet?

https://github.com/opennextjs/opennextjs-cloudflare/issues/185

GitHub

[BUG] eval("required") warnings are shown · Issue #185 · opennextjs...

Describe the bug When running Next.js 15.1 applications built with our adapter at runtime we get various warnings regarding eval("require"): Steps to reproduce Simply build and run any Ne...

pavi2410•12/20/24, 3:11 PM

Does Workers SLA really guarantee 100% availability? AWS lambda offers 99.95%

My company is starting a new project and if I suggest that Cloudflare workers offer 100% availability, they will laugh at me. What's the true numbers? Help me make them convince to use Cloudflare Workers.

Ppavi2410 Does Workers SLA really guarantee 100% availability? AWS lambda offers 99.95% M...

DaniFoldi•12/20/24, 3:20 PM

they do give 100% SLA (although the advertised one is for biz and ent zones, not workers), and if they laugh at you, tell them to look up what an SLA is - with a business plan, you get 1x service credits, with ent you can get higher depending on the contract

pavi2410•12/20/24, 3:34 PM

I am not sure if they would be getting Enterprise at first. I am interested in learning about the SLA for Workers Paid, which the docs say is not part of the Enterprise plan.

Workers Paid plan is separate from any other Cloudflare plan (Free, Professional, Business) you may have.

flyingshoes•12/20/24, 4:17 PM

is there an easy way to check the timeout for my worker requests? I'm on an enterprise plan, so I'm not sure if our team requested for increased timeouts, and I'd like to figure that out.

Ppavi2410 I am not sure if they would be getting Enterprise at first. I am interested in l...

Erisa•12/20/24, 4:59 PM

You get 100% SLA as part of a Business or Enterprise plan, if you just have Workers Paid on its own then you dont have the SLA.

And yes a 100% SLA sounds ridiculous at first glance but really isn't. It doesn't mean that Cloudflare will be up 100% of the time. It just means you'll be compensated for all of the time they're not, rather than just some of it.

Erisa•12/20/24, 5:00 PM

Using AWS Lambda as a point of comparison, 99.95% SLA means they can be offline for up to 4 hours and 20 minutes each year without compensating any of their users.

Alisson Acioli•12/20/24, 6:40 PM

Hey guys, I have a question regarding Cloudflare's cache API. I'm developing some features that will use the cache API a lot and I came across a rather curious situation:

I wanted to create several caches with different keys but I would like to use tags as well because even though each cache has an ID I wanted to have something (which in this case would be using a tag for this) to have a relationship. For example, imagine that I have a cache for a user with ID 50.
I create a cache with this user's information but I would like to put a tag on this cache that says "user" to identify what this cache represents.

When I perform a delete action I would like to use the tag to delete all caches with the "user" tag, thus deleting all related caches. Is this possible through the Cache API using Workers? Because today I only work with different keys from one to another and this has caused me problems in relation to these cases.

I am an Enterprise customer so I have access to several resources available from Cloudflare but I don't know specifically how to do this.

AAlisson Acioli Hey guys, I have a question regarding Cloudflare's cache API. I'm developing som...

Hard@Work•12/20/24, 7:03 PM

Like this?

// Only default cache can be purged via API
const cache = caches.default;

await cache.put(`https://fake.host/${userId}`, Response.json(userData, {
  headers: {
    "cache-tag": "user"
    // Other headers
  }
}));

// Only default cache can be purged via API
const cache = caches.default;

await cache.put(`https://fake.host/${userId}`, Response.json(userData, {
  headers: {
    "cache-tag": "user"
    // Other headers
  }
}));

HHard@Work Like this? ```ts // Only default cache can be purged via API const cache = cache...

Alisson Acioli•12/20/24, 7:19 PM

yes, but I would like to know if the delete function of the cache api (https://developers.cloudflare.com/workers/runtime-apis/cache/) would work if I only passed the cache-tag to delete. Is this possible or would this deletion by tags be directly through my cloudflare panel or only via the cloudflare API.

Cloudflare Docs

Cache · Cloudflare Workers docs

Control reading and writing from the Cloudflare global network cache.

Andrew Brown•12/20/24, 7:30 PM

I just recorded a video on how to use Workers AI which will be included into my GenAI Essentials free course. I would have conitued on with Vectorize and the other AI services but I had too much friction with Vectorize and had to move on.
https://youtu.be/cYM99vbj7p0

YouTubeExamPro

Cloudflare AI Workers

naourass•12/20/24, 7:51 PM

Hi all, any idea for what would be more relevant for Session Management (authenticated users sessions storage) between D1 and KV? Specifically, would KV provide better latency than D1, and is the eventual consistency of KV fine for this use case?

All opinions are welcome !

AAlisson Acioli yes, but I would like to know if the delete function of the cache api (https://d...

Hard@Work•12/20/24, 7:53 PM

I believe Cache Tag purging must be done via the HTTP API

alex (he/him)•12/21/24, 9:06 AM

Are there any plans to support multiple primary workers with different ports, to expose their fetch handlers, when using wrangler with multiple config files?

alex (he/him)•12/21/24, 9:07 AM

Is there any way to set a service binding to a specific version. Preview URLs allow us to access a specific version by URL, but it would be amazing if we can set a service binding to a specific version. Thinking about connecting all staging versions together to get a fullstack preview of a PR

H4x0rus•12/22/24, 2:45 AM

I'm not sure who would be responsible for this, but workers currently can't install using npm with the legacy peer deps flag in the auto deploment. With react 19 rolling out I could imagine that this might be a big issue for many projects.

Jjeshizhang And run a command "npm install wrangler@latest", it represent like this

Hello, I’m Allie!•12/22/24, 2:52 AM

That looks fine?

Dalist•12/22/24, 12:57 PM

is there a way to configure the callback url with wrangler?

Dalist•12/22/24, 12:57 PM

doesn't work well with the cloud IDEs

Omar Abid•12/23/24, 11:59 AM

is there a service to store/see/browse the workers log? preferrably in real-time or low latency?

OOmar Abid is there a service to store/see/browse the workers log? preferrably in real-time...

Coshmar Tabletowy V•12/23/24, 1:03 PM

you mean programatically?

Kholis•12/23/24, 4:11 PM

hi all, wanna ask, when building a websocket with durable object hibernation api.
does it possible to do service binding from Pages to the Workers? without harcoding / configuring the websocket server path in Pages? (like ws://example.com or wss://example.com)

Thanks in advances!

CCoshmar Tabletowy V you mean programatically?

Omar Abid•12/24/24, 4:15 AM

I mean something like baselime but that does actually work and has low latency.

NZX•12/24/24, 9:13 AM

i have excedeed 100k requests a day for a nearly empty test wesite with no visitors, is it normal ?

Walshy•12/24/24, 9:20 AM

depends

Walshy•12/24/24, 9:20 AM

If you are invoking the Worker for each asset and you had like 50 assets, that's only 2,000 page views

Walshy•12/24/24, 9:20 AM

But also, lots of bots will come when a new Worker/domain is published to see if they can find any vulnerabilities

WWalshy If you are invoking the Worker for each asset and you had like 50 assets, that's...

NZX•12/24/24, 9:24 AM

it's a completely empty next js build with like one page, also i deployed exact same way another worker just before this one and it has only 100 requests, that last one over night got botted i guess

NZX•12/24/24, 9:24 AM

is there a way to prevent bots then ?

Walshy•12/24/24, 9:26 AM

Not really sadly, it's just part of the Internet. Whenever a new cert is created, bots will instantly start hitting it

WWalshy Not really sadly, it's just part of the Internet. Whenever a new cert is created...

NZX•12/24/24, 9:29 AM

what about this in cloudflare?

NNZX what about this in cloudflare?

Hello, I’m Allie!•12/24/24, 3:56 PM

If you are willing to wait a bit, you could slap a firewall rule on your domain which blocks everything, wait for the rush to subside, then deactivate it?

HHello, I’m Allie!If you are willing to wait a bit, you could slap a firewall rule on your domain ...

NZX•12/24/24, 4:02 PM

so, each time i will deploy a new worker i will have hundreds of thousands of bot attacks ?

i'm a bit confused about this, i'm making a website builder where user deploys their project to a new worker everytime , if their site gets bots attacked instanlty its not very user friendly ahah

HHello, I’m Allie!If you are willing to wait a bit, you could slap a firewall rule on your domain ...

NZX•12/24/24, 4:03 PM

so for each new worker i have to set up a firewall?

NNZX so, each time i will deploy a new worker i will have hundreds of thousands of bo...

Hello, I’m Allie!•12/24/24, 4:06 PM

Every time you deploy a Worker to a new custom domain. If you redeploy the Worker, you wouldn’t need to block them again

HHello, I’m Allie!Every time you deploy a Worker to a new custom domain. If you redeploy the Worke...

NZX•12/24/24, 5:47 PM

I see thanks. I come from vercel and never had issue like this , wondering how vercel bypasses this

TDA•12/24/24, 6:01 PM

npm create cloudflare@latest my-framework-app -- --type=web-framework --experimentalnpm create cloudflare@latest my-framework-app -- --type=web-framework --experimental
and then,
npm run deploynpm run deploy

I get this error:
'cloudflare' is not recognized as an internal or external command,
operable program or batch file.

Walshy•12/24/24, 6:01 PM

windowsssssss

Walshy•12/24/24, 6:02 PM

@James ^

TDA•12/24/24, 6:02 PM

Hi @Walshy

// Only default cache can be purged via API const cache = caches.default; await cache.put(`https://fake.host/${userId}`, Response.json(userData, { headers: { "cache-tag": "user" // Other headers } }));

can someone link me to the list of compatibility dates and what they do?

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