Cloudflare acquires PartyKit to allow developers to build real-time multi-user applications

We're thrilled to announce that PartyKit, an open source platform for deploying real-time, collaborative, multiplayer applications, is now a part of Cloudflare. This acquisition marks a significant milestone in our journey to redefine the boundaries of serverless computing, making it more dynamic, interactive, and, importantly, stateful.

Defining the future of serverless compute around state

Building real-time applications on the web have always been difficult. Not only is it a distributed systems problem, but you need to provision and manage infrastructure, databases, and other services to maintain state across multiple clients. This complexity has traditionally been a barrier to entry for many developers, especially those who are just starting out.

We announced Durable Objects in 2020 as a way of building synchronized real time experiences for the web. Unlike regular serverless functions that are ephemeral and stateless, Durable Objects are stateful, allowing developers to build applications that maintain state across requests. They also act as an ideal synchronization point for building real-time applications that need to maintain state across multiple clients. Combined with WebSockets, Durable Objects can be used to build a wide range of applications, from multiplayer games to collaborative drawing tools.

In 2022, PartyKit began as a project to Continue reading

Blazing fast development with full-stack frameworks and Cloudflare

Hello web developers! Last year we released a slew of improvements that made deploying web applications on Cloudflare much easier, and in response we’ve seen a large growth of Astro, Next.js, Nuxt, Qwik, Remix, SolidStart, SvelteKit, and other web apps hosted on Cloudflare. Today we are announcing major improvements to our integration with these web frameworks that makes it easier to develop sophisticated applications that use our D1 SQL database, R2 object store, AI models, and other powerful features of Cloudflare’s developer platform.

In the past, if you wanted to develop a web framework-powered application with D1 and run it locally, you’d have to build a production build of your application, and then run it locally using `wrangler pages dev`. While this worked, each of your code iterations would take seconds, or tens of seconds for big applications. Iterating using production builds is simply too slow, pulls you out of the flow, and doesn’t allow you to take advantage of all the DX optimizations that framework authors have put a lot of hard work into. This is changing today!

Our goal is to integrate with web frameworks in the most natural way possible, without developers having to learn Continue reading

We’ve added JavaScript-native RPC to Cloudflare Workers

Cloudflare Workers now features a built-in RPC (Remote Procedure Call) system enabling seamless Worker-to-Worker and Worker-to-Durable Object communication, with almost no boilerplate. You just define a class:

export class MyService extends WorkerEntrypoint {
  sum(a, b) {
    return a + b;
  }
}

And then you call it:

let three = await env.MY_SERVICE.sum(1, 2);

No schemas. No routers. Just define methods of a class. Then call them. That's it.

But that's not it

This isn't just any old RPC. We've designed an RPC system so expressive that calling a remote service can feel like using a library – without any need to actually import a library! This is important not just for ease of use, but also security: fewer dependencies means fewer critical security updates and less exposure to supply-chain attacks.

To this end, here are some of the features of Workers RPC:

  • For starters, you can pass Structured Clonable types as the params or return value of an RPC. (That means that, unlike JSON, Dates just work, and you can even have cycles.)
  • You can additionally pass functions in the params or return value of other functions. When the other side calls the function you passed to Continue reading

Community Update: empowering startups building on Cloudflare and creating an inclusive community

With millions of developers around the world building on Cloudflare, we are constantly inspired by what you all are building with us. Every Developer Week, we’re excited to get your hands on new products and features that can help you be more productive, and creative, with what you’re building. But we know our job doesn’t end when we put new products and features in your hands during Developer Week. We also need to cultivate welcoming community spaces where you can come get help, share what you’re building, and meet other developers building with Cloudflare.

We’re excited to close out Developer Week by sharing updates on our Workers Launchpad program, our latest Developer Challenge, and the work we’re doing to ensure our community spaces – like our Discord and Community forums – are safe and inclusive for all developers.

Helping startups go further with Workers Launchpad

In late 2022, we initiated the $2 billion Workers Launchpad Funding Program aimed at aiding the more than one million developers who use Cloudflare's Developer Platform. This initiative particularly benefits startups that are investing in building on Cloudflare to propel their business growth.

The Workers Launchpad Program offers a variety of resources to help builders Continue reading

Intel’s Chips No Longer Pay More Than Their Fair Share Of Foundry Costs

The biggest benefit that is coming from the separation of the Intel chip design and marketing business from its foundry operations is that Intel’s chip product groups no longer have to shoulder the totality of the immense costs of its manufacturing operations. …

Intel’s Chips No Longer Pay More Than Their Fair Share Of Foundry Costs was written by Timothy Prickett Morgan at The Next Platform.

Hedge 220: The Cost of the Cloud

Cloud services are all the rage right now, but are they worth it? There are many aspects to the question, and the answer is almost always going to be “it depends.” Do you really need to spin up capacity more quickly than you can buy hardware and get it running? Do you really need to be able to spin capacity down without leaving any hardware behind? Is cloud really the best use of your team’s time and talent?

David Heinemeier Hansson joins Tom and Russ to talk about the economics and uses of cloud, and why his company has moved away from public cloud services.

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New tools for production safety — Gradual deployments, Source maps, Rate Limiting, and new SDKs

This post is also available in 简体中文, 繁體中文, 日本語, 한국어, Deutsch, Español and Français.

2024’s Developer Week is all about production readiness. On Monday. April 1, we announced that D1, Queues, Hyperdrive, and Workers Analytics Engine are ready for production scale and generally available. On Tuesday, April 2, we announced the same about our inference platform, Workers AI. And we’re not nearly done yet.

However, production readiness isn’t just about the scale and reliability of the services you build with. You also need tools to make changes safely and reliably. You depend not just on what Cloudflare provides, but on being able to precisely control and tailor how Cloudflare behaves to the needs of your application.

Today we are announcing five updates that put more power in your hands – Gradual Deployments, source mapped stack traces in Tail Workers, a new Rate Limiting API, brand-new API SDKs, and updates to Durable Objects – each built with mission-critical production services in mind. We build our own products using Workers, including Access, R2, KV, Waiting Room, Vectorize, Queues, Stream, and more. We rely on each of these Continue reading

What’s new with Cloudflare Media: updates for Calls, Stream, and Images

Our customers use Cloudflare Calls, Stream, and Images to build live, interactive, and real-time experiences for their users. We want to reduce friction by making it easier to get data into our products. This also means providing transparent pricing, so customers can be confident that costs make economic sense for their business, especially as they scale.

Today, we’re introducing four new improvements to help you build media applications with Cloudflare:

  • Cloudflare Calls is in open beta with transparent pricing
  • Cloudflare Stream has a Live Clipping API to let your viewers instantly clip from ongoing streams
  • Cloudflare Images has a pre-built upload widget that you can embed in your application to accept uploads from your users
  • Cloudflare Images lets you crop and resize images of people at scale with automatic face cropping

Build real-time video and audio applications with Cloudflare Calls

Cloudflare Calls is now in open beta, and you can activate it from your dashboard. Your usage will be free until May 15, 2024. Starting May 15, 2024, customers with a Calls subscription will receive the first terabyte each month for free, with any usage beyond that charged at $0.05 per real-time gigabyte. Additionally, there are no charges for Continue reading

Announcing Pages support for monorepos, wrangler.toml, database integrations and more!

Pages launched in 2021 with the goal of empowering developers to go seamlessly from idea to production. With built-in CI/CD, Preview Deployments, integration with GitHub and GitLab, and support for all the most popular JavaScript frameworks, Pages lets you build and deploy both static and full-stack apps globally to our network in seconds.

Pages has superpowers like these that Workers does not have, and vice versa. Today you have to choose upfront whether to build a Worker or a Pages project, even though the two products largely overlap. That’s why during 2023’s Developer Week, we started bringing both products together to give developers the benefit of the best of both worlds. And it’s why we announced that like Workers, Pages projects can now directly access bindings to Cloudflare services — using workerd under-the-hood — even when using the local development server provided by a full-stack framework like Astro, Next.js, Nuxt, Qwik, Remix, SolidStart, or SvelteKit. Today, we’re thrilled to be launching some new improvements to Pages that bring functionality previously restricted to Workers. Welcome to the stage: monorepos, wrangler.toml, new additions to Next.js support, and database integrations!

Pages now supports monorepos

Many Continue reading

Cloudflare Calls: millions of cascading trees all the way down

Following its initial announcement in September 2022, Cloudflare Calls is now in open beta and available in your Cloudflare Dashboard. Cloudflare Calls lets developers build real-time audio/video apps using WebRTC, and it abstracts away the complexity by turning the Cloudflare network into a singular SFU. In this post, we dig into how we make this possible.

WebRTC growing pains

WebRTC is the only way to send UDP traffic out of a web browser – everything else uses TCP.

As a developer, you need a UDP-based transport layer for applications demanding low latency and real-time feedback, such as audio/video conferencing and interactive gaming. This is because unlike WebSocket and other TCP-based solutions, UDP is not subject to head-of-line blocking, a frequent topic on the Cloudflare Blog.

When building a new video conferencing app, you typically start with a peer-to-peer web application using WebRTC, where clients exchange data directly. This approach is efficient for small-scale demos, but scalability issues arise as the number of participants increases. This is because the amount of data each client must transmit grows substantially, following an almost exponential increase relative to the number of participants, as each client needs to send data to n-1 other clients.

Continue reading

R2 adds event notifications, support for migrations from Google Cloud Storage, and an infrequent access storage tier

This post is also available in 简体中文, 繁體中文, 日本語, 한국어,Deutsch, Français and Español.

We’re excited to announce three new features for Cloudflare R2, our zero egress fee object storage platform:

Event Notifications Open Beta

The lifecycle of data often doesn’t stop immediately after upload to an R2 bucket – event data may need to be transformed and loaded into a data warehouse, media files may need to go through a post-processing step, etc. We’re releasing event notifications for R2 in open beta to enable building applications and workflows driven by your changing data.

Event notifications work by sending messages to your queue each time there is a change to your data. These messages are then received by a consumer Worker where you can then define any subsequent action that needs to be taken.

To get started enabling event Continue reading

Improving Cloudflare Workers and D1 developer experience with Prisma ORM

Working with databases can be difficult. Developers face increasing data complexity and needs beyond simple create, read, update, and delete (CRUD) operations. Unfortunately, these issues also compound on themselves: developers have a harder time iterating in an increasingly complex environment. Cloudflare Workers and D1 help by reducing time spent managing infrastructure and deploying applications, and Prisma provides a great experience for your team to work and interact with data.  

Together, Cloudflare and Prisma make it easier than ever to deploy globally available apps with a focus on developer experience. To further that goal, Prisma Object Relational Mapper (ORM) now natively supports Cloudflare Workers and D1 in Preview. With version 5.12.0 of Prisma ORM you can now interact with your data stored in D1 from your Cloudflare Workers with the convenience of the Prisma Client API. Learn more and try it out now.

What is Prisma?

From writing to debugging, SQL queries take a long time and slow developer productivity. Even before writing queries, modeling tables can quickly become unwieldy, and migrating data is a nerve-wracking process. Prisma ORM looks to resolve all of these issues by providing an intuitive data modeling language, an automated migration workflow, and Continue reading

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