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RailsNotes
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RAILSNOTES, THE RUBY ON RAILS GUIDES YOU WISHED YOU HAD.

RailsNotes is a collection of the Ruby on Rails guides you wished you had, when
you were first starting out. Read interesting Ruby on Rails guides on Hotwire,
Stimulus, ActionMailer, Databases, Deployment and more.

The RailsNotes Newsletter (for Ruby on Rails lovers ❤️).

Read now →

Launch faster ⚡️ with our Ruby on Rails starter kit.

Learn more →


 * A DECENT VS CODE + RUBY ON RAILS SETUP
   
   February 20, 2024 //
   
   vscodedevelopment
   Setting up VS Code for Ruby on Rails development can be tricky, so I wrote
   this article to help. In it, I share different VS Code extensions for things
   like autocomplete, linting, formatting and more! I've even put together a
   handy extension pack to get you setup fast.
   Read more →


 * HERE'S WHAT'S COMING IN RAILS 8
   
   January 5, 2024 //
   
   rails
   Work on Rails 8 is starting, so I dug through the official GitHub milestone
   to break down all the upcoming goodies for you. There's plenty coming,
   including Solid Queue, Solid Cache and Kamal becoming defaults, better
   support for PWAs, an official LSP, and more!
   Read more →


 * EDIT RAILS CREDENTIALS USING VS CODE
   
   January 4, 2024 //
   
   credentialsvscode
   This short guide shows you how to use VS Code to edit secrets in your Ruby on
   Rails app when you run `rails credentials:edit`. I also include a handy
   `bin/credentials:edit` script to simplify things.
   Read more →


 * ACTIONMAILER ATTACHMENTS IN RUBY ON RAILS
   
   October 28, 2023 //
   
   actionmailer
   ActionMailer makes it easy to attach files to your emails. In this article, I
   show you how to attach single or multiple files, set custom encodings and
   mime_types, and attach images as inline attachments to display in your email
   body.
   Read more →


 * SOME VIEWCOMPONENT TIPS (HOW I WRITE THEM)
   
   October 14, 2023 //
   
   viewcomponentstips
   In this article, I share tips for writing Rails ViewComponents, based on my
   experience building RailsNotes UI, and other projects. If you use
   ViewComponents in your Ruby on Rails apps, read this article!
   Read more →


 * REFACTORING FROM FEATURE SPECS TO SYSTEM SPECS
   
   September 17, 2023 //
   
   rspectestingrefactoring
   In this article, I break down the difference between system specs and feature
   specs in RSpec and Rails, and walk you through refactoring your feature specs
   to system specs.
   Read more →


 * BUILD DYNAMIC NAVS WITH CURRENT_PAGE? (AND CONDITIONAL CLASSES)
   
   September 1, 2023 //
   
   uiviewcomponents
   This article explores a dynamic nav component I built using the current_page?
   helper method, plus Rails' conditional class helpers. The result? A simple,
   dynamic navbar component, with different styling based on current page. Plus
   I threw in the ViewComponent version too 😉
   Read more →


 * ADD A FAVICON TO YOUR RAILS APP IN 2 MINUTES
   
   August 25, 2023 //
   
   tips
   This is a super short article on how to add a favicon to your Ruby on Rails
   app. We combine the favicon_link_tag helper with asset_path, which makes it
   quick and easy.
   Read more →


 * A SIMPLE STIMULUS TABS CONTROLLER
   
   August 24, 2023 //
   
   stimulus
   In this article, I share a handy Stimulus controller for adding tabs to your
   Rails apps. I also show you a different variation of the controller, and how
   to add it to your views. Plus, I've included a handy tip to avoid the
   annoying "flashing in" effect that can happen if you're not careful.
   Read more →


 * PREVIEW RAILS MAILERS WITH LETTER_OPENER, MAILCATCHER AND MAILHOG
   
   August 7, 2023 //
   
   actionmailer
   This article covers everything you ever wanted to know (and more) about
   previewing emails and ActionMailer templates in Ruby on Rails. I cover native
   ActionMailer previews, the letter_opener gem, MailCatcher and MailHog. I've
   tested them all, and I cover how to use them, and their pros and cons.
   Read more →


 * SKIP THE CONSOLE WITH RAILS RUNNER
   
   August 4, 2023 //
   
   tipsconsole
   If you're sick of typing rails console all day, or just want to learn about a
   cool Rails command, I've got something that you're going to like — the rails
   runner command.
   Read more →


 * SPLIT YOUR DATABASE SEEDS.RB BY RAILS ENVIRONMENT
   
   July 31, 2023 //
   
   databaseseedingtips
   This method to split your database seeds by Rails environment is clean and
   simple, and is perfect to split up your `seeds.rb` file. It's a brilliant
   method! I just wish I'd thought of it first 😅
   Read more →


 * OVERMIND 🪬, A BETTER BIN/DEV FOR YOUR PROCFILE
   
   July 26, 2023 //
   
   procfiledevelopmentpopular
   Overmind is a Procfile manager on steroids — like Foreman and bin/dev, but...
   a lot better. It's deeply configurable, and integrates with tmux so you can
   stop, restart and attach to running processes.
   Read more →


 * SIMPLE LAZY LOADING IN RAILS WITH HOTWIRE AND TURBO FRAMES
   
   July 25, 2023 //
   
   hotwiretailwindcsspopular
   Hotwire and Turbo Frames make it easy to add lazy-loading into our Rails apps
   — I'm talking only 12 lines of code! Plus, we can use TailwindCSS to create a
   skeleton loader for our Turbo Frames.
   Read more →


 * SEED YOUR DATABASE WITH THE FAKER GEM. THEN SEED 9.4X FASTER WITH UPSERT_ALL
   AND ACTIVERECORD-IMPORT.
   
   July 15, 2023 //
   
   databasegemfakeractiverecord-import
   We use the faker gem to seed our database with 10,000 fake posts. Then, we're
   going to speed up seeding by 9.4x, using either upsert_all or the
   activerecord-import gem.
   Read more →


 * RAILS GENERATE MIGRATION (HANDY REFERENCE)
   
   July 10, 2023 //
   
   databasemigrationsgeneratorspopular
   A handy reference for generating migrations in your Ruby on Rails app — I
   cover the basics like adding columns and tables, adjusting column types (and
   loads more), plus some tips and tricks...
   Read more →


 * ADDING REDIS AND SIDEKIQ TO YOUR RUBY ON RAILS APP
   
   July 5, 2023 //
   
   redissidekiqdevelopmentprocfilepopular
   Here are the basics of installing Redis and Sidekiq, and then adding Redis
   and Sidekiq to your Ruby on Rails app. This is everything you need to get set
   up — no fluff, just a couple of commands. Let's go!
   Read more →


 * PROCFILE.DEV, BIN/DEV, AND RAILS 7 — HOW THEY WORK, WHY THEY'RE GREAT.
   
   July 1, 2023 //
   
   developmentprocfilepopular
   Rails 7 introduced a lot of new things, but honestly, the `bin/dev` script is
   the thing I notice the most. I want to try to give your some insight into how
   `bin/dev` and `Procfile.dev` work together...
   Read more →


 * DEPLOYING RUBY ON RAILS WITH DOKKU (REDIS, SIDEKIQ, ARM SERVERS AND DOCKER).
   
   June 30, 2023 //
   
   deploymentdokkudockerpopular
   This is the ultimate Dokku + Ruby on Rails guide — I cover running Dokku on
   x86 and ARM, deploying Sidekiq and Redis, dockerizing our Ruby on Rails app,
   and more...
   Read more →


 * YOUR FIRST STIMULUS CONTROLLER — LEARN STIMULUS IN RUBY ON RAILS BY BUILDING
   A TOGGLE.
   
   June 24, 2023 //
   
   stimulus
   So, you're new to Stimulus and want to try it out in your Ruby on Rails app.
   Or perhaps you just need a simple toggle pattern to follow. Either way,
   you're in the right place...
   Read more →


 * LEARN HOTWIRE BY BUILDING THE SIMPLEST POSSIBLE HOTWIRE AND RUBY ON RAILS APP
   — A BEGINNERS GUIDE.
   
   May 26, 2023 //
   
   hotwire
   Most Rails apps probably don't need a React or Vue frontend. With a few lines
   of Rails and Hotwire magic, we can build a live frontend. That's what we're
   going to be doing today...
   Read more →


 * REPLACE .ENV WITH RAILS CREDENTIALS IN YOUR RUBY ON RAILS APP
   
   May 14, 2023 //
   
   credentials
   A deep dive into the basics of Rails credentials, explore their benefits and
   drawbacks, and showing you how easy it is to integrate this powerful tool
   into your Rails app development process...
   Read more →


 * FROM API CALLS TO ACTIONMAILER — REFACTORING A RAILS APP TO USE ACTIONMAILER
   FOR TRANSACTIONAL EMAIL
   
   May 13, 2023 //
   
   actionmailerrefactoring
   How I switched from using direct SendGrid API calls to implementing
   ActionMailer for cleaner, more manageable code. Our final implementation will
   take us from 36 lines of code, down to 1 ...
   Read more →


 * DEPLOYING A RUBY ON RAILS APP ON RENDER WITH A DATABASE, REDIS, SIDEKIQ, AND
   CRON JOBS
   
   May 7, 2023 //
   
   renderdeployment
   A full guide for deploying a Ruby on Rails app to Render with a database,
   Redis, Sidekiq, and Cron jobs. This guide steps you through deploying your
   Rails app to Render, including setting up Redis, Sidekiq and Cron jobs to
   give you a great production-ready starter.
   Read more →


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