If you attended AFUP Day 2022, you might know that I am currently working on a PHP module for web servers written in Go. While testing my upcoming library, I encountered strange memory access issues related to the threads created by the Go runtime (you know, cgo…). By default, the Go scheduler runs many goroutines…
Category: Go
New in Caddy 2.5: Redact Sensitive Data from Your Logs
Caddy is the rising star of web servers. It is fast, easy to configure, fully featured (automatic TLS certificate generation and renewal, HTTP/3, cloud-native, config hot reloading…), and secure (it is written in Go, not in C). Thanks to its unmatched extensibility that makes it a top-notch app platform, Caddy has a thriving ecosystem! To…
Preventing CORS Preflight Requests Using Content Negotiation
In modern web applications, it’s a common pattern to serve the web API and the frontend app from different subdomains: https://api.example.com: your web API, usually serving JSON documents https://example.com: your web application, usually built in JavaScript, generating HTML documents from the raw JSON data retrieved from the API This was the pattern implemented by API…
Webperf: PHP after Server Push
Here are the slide deck from the talk I gave this morning for AFUP Day 2021! And here is the video (in French): Google recently announced that it will remove Server Push support from its flagship browser. Server Push is a technology that is part of the HTTP/2 and HTTP/3 standards. Server Push is designed…
Using the “103 Early Hints” Status Code in Go Applications
103 is a new experimental HTTP status code defined in RFC 8297. It’s an informational status that can be sent by a server before the main HTTP response. Used in conjunction with the Link HTTP header and the preload relation, 103 gives the client the opportunity to fetch resources (assets, images, related API documents…) related…
The Mercure.rocks Hub is now based on Caddy Web Server
I’m very happy to announce the immediate availability of the Mercure.rocks Hub version 0.11! The Mercure.rocks Hub is a free software implementing the Mercure specification, an open protocol for fast, reliable and battery-efficient in-browser real-time communications. Version 0.11 is a major milestone for the project! As you may know, the Mercure.rocks Hub is written in…
A Structured HTTP Fields Parser and Serializer for the Go Programming Language
“Structured Field Values for HTTP” is an upcoming RFC defining a set of well-defined data types to use in HTTP headers and trailers. This new format will improve the interoperability and the safety of HTTP by allowing to create generic parsers and serializers suitable for all HTTP headers (currently, most headers need a custom parser)…
Say Hello to Mercure 0.10!
I’m very excited to announce the immediate availability of the version 6 of the Mercure Internet Draft as well as of the version 0.10 of the reference implementation! Mercure is a real-time protocol built on top of Server-sent Events and leveraging HTTP/2+. It allows to push messages to JavaScript webapps, mobile apps or IoT devices…
Vulcain: HTTP/2 Server Push and the rise of client-driven REST APIs
Watch a longer video (English)!Watch a French version. Over the years, several formats have been created to fix performance bottlenecks of web APIs: the n+1 problem, over fetching, under fetching… The current hipster solution for these problems is to replace the conceptual model of HTTP (resource-oriented), by the one of GraphQL. It’s a smart network…
Mercure – Real-Time for PHP Made Easy (Forum PHP)
Yesterday at Forum PHP 2019 I presented how easy it is to create real-time apps using PHP (among other languages) and the Mercure protocol. I also introduced the shiny and new Mercure website (designed by Laury S.)! A special thanks to Eric Comellas who jumped on stage to explain how iGraal uses Mercure on a…