Mike Rogers

I post tutorials on Ruby On Rails, HTML, CSS & Various other Web Development topics.

Follow Mike Online:
➡ Blog: https://mikerogers.io/
➡ Twitter: https://twitter.com/MikeRogers0
➡ GitHub: https://github.com/mikerogers0
➡ YouTube: https://www.youtube.com/c/MikeRogers0
➡ BuyMeACoffee: https://www.buymeacoffee.com/MikeRogers0

HTML & CSS

Recordings of when I spoke at a meetups. Mostly these will be about programming.

Mike Rogers - Talking At Events

Docker

RSpec

JavaScript

Awesome Ruby Gems

ActiveAdmin

Heroku

Tutorials to help you level up as a Ruby on Rails developer

Ruby On Rails

The approach I normally take when seeding up new rails apps.

Seeding (Rails)

A run through on how to display tweets on a website in rails 4 then caching them with fragment caching.

Displaying recent Tweets (Rails 4)

How to make a contact form (Rails 4)

Deploying Ruby on Rails to a Kubernetes cluster can lead to YAML hell, however Kuby ( https://getkuby.io/ ) makes this a lot easier by extracting most the complexity away. It's super cool!

In this tutorial, we're going to configure Kuby to deploy to DigitalOcean with a Managed Database, which will redeploy every time we push to GitHub.

# Sources

➡ https://getkuby.io/
➡ https://getkuby.io/docs/
➡ https://github.com/MikeRogers0-YouTube/Deploying-With-Kuby
➡ https://github.com/MikeRogers0-YouTube/Deploying-With-Kuby/blob/main/kuby.rb - The Kuby Configuration
➡ https://github.com/MikeRogers0-YouTube/Deploying-With-Kuby/blob/main/.github/workflows/deploy.yml - The GitHub Action
➡ https://cloud.digitalocean.com/

# Chapters

0:00 -  What are we going to do
0:53 - What I setup beforehand
1:36 - Adding the gem & running the generator
2:58 - Generate Rails credentials
4:24 - Setting DigitalOcean API Token for Docker
5:40 - Setting image_url to point to container registry
6:15 - The Kubernetes block
7:47 - Setting the DATABASE_URL
8:48 - Configuring the provider
9:54 - Refactor a little
10:20 - bundle exec kuby -e production setup
11:26 - Deploy with a GitHub Action
14:42 - It's Deployed

# Follow Me Online

➡ Blog: https://mikerogers.io/
➡ Twitter: https://twitter.com/MikeRogers0
➡ GitHub: https://github.com/mikerogers0
➡ YouTube: https://www.youtube.com/c/MikeRogers0
➡ BuyMeACoffee: https://www.buymeacoffee.com/MikeRogers0
➡ Dev.to: https://dev.to/mikerogers0

#RubyOnRails #AwesomeRubyGems #Kubernetes #Kuby #k8s

How to Deploy to Kubernetes (k8s) via Kuby & GitHub Actions

You can build some super reusable validations by extending  the ActiveModel::EachValidator class. Here is a very quick run through on how to do that :)

# Sources

➡ https://api.rubyonrails.org/classes/ActiveModel/Validator.html
➡ https://github.com/MikeRogers0-YouTube/Rails-Custom-Validators

# Chapters

0:00 -  What are we going to do
0:30 -  Custom Validations
2:21 - What arguments are available to validate_each
4:53 -  Testing with RSpec
7:10 - Our first RSpec test
10:40 - 100% code coverage
11:23 - Why do we need attributes: { any: true } ?
11:09 - Thank you


# Follow Me Online

➡ Blog: https://mikerogers.io/
➡ Twitter: https://twitter.com/MikeRogers0
➡ GitHub: https://github.com/mikerogers0
➡ YouTube: https://www.youtube.com/c/MikeRogers0
➡ BuyMeACoffee: https://www.buymeacoffee.com/MikeRogers0
➡ Dev.to: https://dev.to/mikerogers0

#RubyOnRails #RSpec #Validation

How to build reusable validations in Ruby on Rails

Ngrok is a way to open a port on your local machine up to the world wide web.

# Sources

➡ https://ngrok.com/

# Follow Me Online

➡ Blog: https://mikerogers.io/
➡ Twitter: https://twitter.com/MikeRogers0
➡ GitHub: https://github.com/mikerogers0
➡ YouTube: https://www.youtube.com/c/MikeRogers0
➡ BuyMeACoffee: https://www.buymeacoffee.com/MikeRogers0
➡ Dev.to: https://dev.to/mikerogers0

#ngrok

ngrok in 60 seconds

Both web-console & byebug come by default when you run `rails new`, let's have a quick dive into them.

# Sources

➡ https://github.com/rails/web-console
➡ https://github.com/deivid-rodriguez/byebug
➡ https://guides.rubyonrails.org/debugging_rails_applications.html
➡ https://github.com/Ruby-Starter-Kits/Docker-Rails-Template/blob/3040ef78edd96ecd9b62d1b4db9e744b1e08903e/config/initializers/opinionated_defaults/web_console.rb


# Chapters

0:00 -  What are we going to do
0:29 -  web-console
3:17 -  web-console & Docker
5:07 -  byebug
5:53 -  byebug & Docker
7:16 -  Thank you

# Follow Me Online

➡ Blog: https://mikerogers.io/
➡ Twitter: https://twitter.com/MikeRogers0
➡ GitHub: https://github.com/mikerogers0
➡ YouTube: https://www.youtube.com/c/MikeRogers0
➡ BuyMeACoffee: https://www.buymeacoffee.com/MikeRogers0
➡ Dev.to: https://dev.to/mikerogers0

#RubyOnRails #Debugging #LearnToCode

How to use web-console & byebug

In this tutorial we use the Scenic gem to create a Postgres Database View to view the contents of multiple tables at the same time.

Then I make it awesome & test it with RSpec.

# Sources

➡ https://github.com/scenic-views/scenic
➡ https://github.com/MikeRogers0-YouTube/Database-Views-With-Scenic

# Chapters

0:00 -  What are we going to do
1:41 -  Adding Scenic Gem and Database View
4:20 -  Accessing our Database view like a normal Rails Model
6:22 -  Using a polymorphic relationship to load the original object
11:16 -  Adding a primary key to our Database View
14:46 -  Testing our view with RSpec
19:06 -  Why make models read only
20:36 -  Adding created_at & updated_at fields

# Follow Me Online

➡ Blog: https://mikerogers.io/
➡ Twitter: https://twitter.com/MikeRogers0
➡ GitHub: https://github.com/mikerogers0
➡ YouTube: https://www.youtube.com/c/MikeRogers0
➡ BuyMeACoffee: https://www.buymeacoffee.com/MikeRogers0
➡ Dev.to: https://dev.to/mikerogers0

#RubyOnRails #AwesomeRubyGems #Postgres

How to Create Database Views using the Scenic Gem

ENV's (Environment Variables) are a fantastic way to pass API credentials to your application without storing them in version control.

In this episode of quickly explain how an ENV works, how to add a fallback & an awesome approach to managing them across your application.

# Sources

➡ https://github.com/bkeepers/dotenv
➡ https://github.com/ddollar/foreman
➡ https://andycroll.com/ruby/wrap-your-environment-variables-in-a-settings-object/

# Chapters

0:00 -  What are we going to do
0:18 -  What is an ENV
1:32 -  What is an .env file?
2:30 - Passing ENVs to your Application
4:00 - Adding fallback values with .fetch
4:50 - Settings Objects

# Follow Me Online

➡ Blog: https://mikerogers.io/
➡ Twitter: https://twitter.com/MikeRogers0
➡ GitHub: https://github.com/mikerogers0
➡ YouTube: https://www.youtube.com/c/MikeRogers0
➡ BuyMeACoffee: https://www.buymeacoffee.com/MikeRogers0
➡ Dev.to: https://dev.to/mikerogers0

#RubyOnRails #ENVs

Environment Variables & Settings Objects in Ruby

Using glob imports is a great way to reduce the amount of work required to manage your CSS files. Here is how I use postcss-import-ext-glob in PostCSS in my projects.

# Sources

➡ https://github.com/dimitrinicolas/postcss-import-ext-glob

# Chapters

0:00 -  What are we going to do
0:53 -  Adding postcss-import-ext-glob to a project
3:07 - Updating postcss.conf.js

# Follow Me Online

➡ Blog: https://mikerogers.io/
➡ Twitter: https://twitter.com/MikeRogers0
➡ GitHub: https://github.com/mikerogers0
➡ YouTube: https://www.youtube.com/c/MikeRogers0
➡ BuyMeACoffee: https://www.buymeacoffee.com/MikeRogers0
➡ Dev.to: https://dev.to/mikerogers0

#RubyOnRails

How to do Glob Imports in PostCSS

Lets dive into how to use Docker-Compose to orchestrate a Ruby on Rails application.

# Sources

➡ https://docs.docker.com/compose/
➡ https://github.com/Ruby-Starter-Kits/Docker-Rails-Template

# Chapters

0:00 -  What are we going to do
0:21 -  Why do we need docker-compose?
1:36 -  Turning on a service
3:35 -  Persisting Data when we restart services
5:45 -  Hiding docker-compose volumes
7:34 -  Docker Rails Template

# Follow Me Online

➡ Blog: https://mikerogers.io/
➡ Twitter: https://twitter.com/MikeRogers0
➡ GitHub: https://github.com/mikerogers0
➡ YouTube: https://www.youtube.com/c/MikeRogers0
➡ BuyMeACoffee: https://www.buymeacoffee.com/MikeRogers0
➡ Dev.to: https://dev.to/mikerogers0

#RubyOnRails #Docker #DockerCompose

Introduction to Docker-Compose (For Ruby on Rails)

Rails adds extra routes by default for ActiveStorage & ActionMailbox, they're great libraries but here is how to remove those routes if you're not using them.

# Sources

➡ "rails/all" source: https://github.com/rails/rails/blob/main/railties/lib/rails/all.rb

# Chapters

0:00 -  What are we going to do
0:26 - --skip flags during rails new
1:28 - Looking at a fresh app
3:02 - Remove from existing project

# Follow Me Online

➡ Blog: https://mikerogers.io/
➡ Twitter: https://twitter.com/MikeRogers0
➡ GitHub: https://github.com/mikerogers0
➡ YouTube: https://www.youtube.com/c/MikeRogers0
➡ BuyMeACoffee: https://www.buymeacoffee.com/MikeRogers0
➡ Dev.to: https://dev.to/mikerogers0

#RubyOnRails

How to Remove ActiveStorage & ActionMailbox Routes in Rails

I'm a big fan of Docker, I think it can make getting starting using Ruby so much easier

In this video, I'm going to cover the basics of how to install & use Docker with Ruby.

# Sources

➡ Download Docker: https://www.docker.com/get-started
➡ Sample Dockerfile: https://github.com/Ruby-Starter-Kits/Docker-Rails-Template/blob/master/Dockerfile

# Chapters

0:00 - Setup Docker
1:14 - How to Run Ruby
2:20 - The Docker Run Flags
3:31 - Building a Dockerfile
6:02 - Adding a Gemfile
7:44  - Installing Extra Packages
8:21 - Thank You

# Follow Me Online

➡ Blog: https://mikerogers.io/
➡ Twitter: https://twitter.com/MikeRogers0
➡ GitHub: https://github.com/mikerogers0
➡ YouTube: https://www.youtube.com/c/MikeRogers0
➡ BuyMeACoffee: https://www.buymeacoffee.com/MikeRogers0
➡ Dev.to: https://dev.to/mikerogers0

#Docker #Ruby