This post is proudly sponsored by Code & Co. Disclaimer: I’m not affiliated to fly.io at all, this is just a personal account of my experience with it. Fly.io 101 Even though fly is pretty much “Phoenix First” these days (they hired Chris McCord for a reason!), it’s still a very decent way to deploy a Reactive Rails app, as Matt Yorkley has demonstrated here. Let’s go through a quick list of preliminary information before we get started. Docker or Buildpacks? A lot of Rails developers considering Fly as a Platform as a Service these days are accustomed to the Heroku way of deploying apps via git push and Cloud Native Buildpacks that manage the deployment process automatically. While Fly defaults to a Dockerfile builder - and indeed, the Rails setup wizard will generate one for you, as we shall see - you can also use a buildpack builder by specifying a builder and buildpacks in the fly.toml configuration: [build] builder = "heroku/buildpacks:18" buildpacks = ["...", "..."] Also refer to this blog post to select the correct builder (at the moment of writing this would be heroku/buildpacks:18) Free Allowances While Fly has a quite generous stack of free allowances which will let you start and maintain a reasonably sized side-project for free, I would like to specifically point out their free postgres offering, which largely builds on the allowed 3GB of volume storage. Here are a few examples for how to configure it. Bear in mind though that the free compute allowance is summed together for all apps - if you exceed that, you might not be able to keep your whole Rails project free. Getting Started The first thing you’ll want to do, is to install the flyctl CLI (see here) Next, quite obviously, you need to create a Fly account. Run flyctl auth signup, which will in turn open the browser for you. Note that you will have to provide credit card information upfront, because ”here’s what happens if you give people freemium full access to a hosting platform: lots and lots of fr
The August 2022 edition of Hotwiring Rails, a curated collection of new and interesting content for folks interested in building modern Ruby on Rails applications with Hotwire, CableReady, and StimulusReflex