Symfony Flex was introduced in 2017 as one of the key parts of the reimagined Symfony experience for the Symfony 4 launch. Symfony Flex is a tool (technically, a Composer plugin) that simplifies the installation/removal of packages in Symfony applications. This simplification is made possible thanks to "Flex recipes", which are a set of automated instructions that tell Symfony how to install, enable and configure packages into applications. These recipes are currently stored in two public GitHub repositories: main recipes repository and contrib recipes repository. The final piece that makes Flex possible is the Flex server at https://flex.symfony.com. In addition to showing the available recipes/packages in a web interface, this server communicates with the Flex Composer plugin to serve recipes.
Going Serverless As part of our continuous efforts to simplify operations, we recently asked ourselves: how could we simplify the Flex server infrastructure? Then we thought: what if we remove the Flex server entirely? And that's exactly what we're going to do. In the pull request #803 of the Symfony Flex package you can see that we're going to replace the proprietary flex.symfony.com endpoint by a new endpoint made of static JSON files hosted on GitHub. The JSON files are stored in this repository and are generated by GitHub Actions using this script thanks to a custom recipe checker tool. The existing Flex server endpoint will keep working for some time as a legacy service for applications that haven't been updated yet.
Using the New Endpoints Version 1.16 of symfony/flex has been released with support for the new endpoints, but they are behind a feature flag for now: you need to set the FLEX_SERVERLESS env var to 1 to enable the new endpoints. Please help us confirm that everything works as expected by enabling this feature flag. In a few weeks, version 1.17 will remove the feature flag and the new endpoints will be used by default. All users of legacy versions of symfony/flex will then see a warning inviting them to upgrade.
Custom Recipes A very nice side effect of this change is that you can quite easily host custom recipes in your own repositories. If you do so, add the URL of your recipe repository in the extra.symfony.endpoint config option of composer.json or in the SYMFONY_ENDPOINT env var. Moreover, now that the proprietary server is gone, you can add your own features on top of the Symfony Flex API. We're looking forward to learn about your ideas. Some of them could even be contributed back to the official Flex API.
Sponsor the Symfony project.http://feedproxy.google.com/~r/symfony/blog/~3/lahkEGNBPLs/symfony-flex-is-going-serverless
Login to add comment
Other posts in this group
This week, development activity focused on polishing Symfony 7.3 ahead of its final release in two weeks. We also continued publishing articles highlighting the new features of Symfony 7.3 and shared
SymfonyOnline June 2025 is almost here, starting in a few weeks on:
June 10-11: Workshop days. June 12-13: Online conference days in English. All talks will be available for replay as soon as
Symfony 7.3 introduces several enhancements to the DependencyInjection component that simplify service configuration, make autoconfiguration more flexible, and enable environment-specific aliasing.
S
Contributed by Nicolas Grekas in
SymfonyOnline June 2025 is almost here, starting in almost 2 months on:
June 10-11: Workshop days. It is possible to attend 1 two-day training or 2 one-day trainings. June 12-13: Online confe
Symfony security includes several significant improvements and new features in Symfony 7.3.
Deprecate eraseCredentials() Method… https://symfony.com/blog/new-in-symfony-7-3-security-improvements?utm_
SymfonyOnline June 2025 is almost here, starting in almost 2 months on:
June 10-11: Workshop days June 12-13: Online conference days in English. All talks will be available for replay as soon
