lab-install-ruby

Steps to install ruby in Ubuntu.

Pre requirements: https://github.com/JulioCesarBehenckChaves/lab-install-pgadmin.git

Sqlite, compilers

sudo apt-get install build-essential git curl libssl-dev libreadline-dev zlib1g-dev autoconf bison build-essential libyaml-dev libreadline-dev libncurses5-dev libffi-dev libgdbm-dev -y
sudo apt-get install libssl-dev zlib1g-dev sqlite3 libsqlite3-dev -y
curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-installer | bash
curl -fsSL https://deb.nodesource.com/setup_lts.x | sudo -E bash -
sudo apt-get install nodejs -y

Validate the install:

node -v

It must returns something like:

dbadmin@ruby:~$ node -v v18.17.1

yarn

curl -fsSL https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt-get update && sudo apt-get install yarn -y

Validate the install

yarn -v

It must returns something like:

dbadmin@ruby:~$ yarn -v 1.22.19

Rbenv - var environment

sudo apt install rbenv -y
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init - bash)"' >> ~/.bashrc

Finally Ruby

We may find a lot od stable ruby version by typing "rbenv install -l". Rails requires Ruby 2.5.0 or greater.

rbenv install 3.0.2 -v

At the end you may see the following message:

Installed ruby-3.0.2 to /home/dbadmin/.rbenv/versions/3.0.2

Set global Ruby version.

rbenv global 3.0.2

Confirm installation with similar output.

ruby -v

dbadmin@ruby:~$ ruby -v ruby 3.0.2p107 (2021-07-07 revision 0db68f0233) [x86_64-linux]

Install Bundler using gem.

gem install bundler

It must returns something like:

dbadmin@ruby:~$ gem install bundler Fetching bundler-2.4.20.gem Successfully installed bundler-2.4.20 Parsing documentation for bundler-2.4.20 Installing ri documentation for bundler-2.4.20 Done installing documentation for bundler after 0 seconds 1 gem installed

Install Rails using gem.

gem install rails

At the end you must see something like:

... ... Parsing documentation for rails-7.0.8 Installing ri documentation for rails-7.0.8 Done installing documentation for zeitwerk, thor, method_source, concurrent-ruby, tzinfo, minitest, i18n, activesupport, nokogiri, crass, loofah, rails-html-sanitizer, rails-dom-testing, rack, rack-test, erubi, builder, actionview, actionpack, railties, mini_mime, marcel, activemodel, activerecord, globalid, activejob, activestorage, actiontext, mail, actionmailer, actionmailbox, websocket-extensions, websocket-driver, nio4r, actioncable, rails after 70 seconds 36 gems installed

Confirm successful installation.

rails -v

You must see something like: dbadmin@ruby:~$ rails -v Rails 7.0.8

Creating a Test Application

Create a new Rails project.

cd ~
rails new hello-emap
cd hello-emap

At the end you must see something like:

... ... Create controllers directory create app/javascript/controllers create app/javascript/controllers/index.js create app/javascript/controllers/application.js create app/javascript/controllers/hello_controller.js Import Stimulus controllers append app/javascript/application.js Pin Stimulus Appending: pin "@hotwired/stimulus", to: "stimulus.min.js", preload: true" append config/importmap.rb Appending: pin "@hotwired/stimulus-loading", to: "stimulus-loading.js", preload: true append config/importmap.rb Pin all controllers Appending: pin_all_from "app/javascript/controllers", under: "controllers" append config/importmap.rb

Start Rails server.

rails server --binding=0.0.0.0

Let it running at your console. You must see this:

Puma starting in single mode...

• Puma version: 5.6.7 (ruby 3.0.2-p107) ("Birdie's Version")
• Min threads: 5
• Max threads: 5
• Environment: development
• PID: 37614
• Listening on http://0.0.0.0:3000 Use Ctrl-C to stop

Now open a new ssh session to your server and open up the brave-browser.

Navigate to your server's IP address at port 3000 in a web browser:

http://127.0.0.1:3000

Na pasta, sobr app rails s

na pasta app, criar tabela rails g scaffold Book titulo:string description:string

da erro ao acessar /Book

rails db:migrate

também vê em /Books.json

References: https://www.vultr.com/docs/installing-ruby-on-rails-on-ubuntu-20-04/?utm_source=performance-max-latam&utm_medium=paidmedia&obility_id=17096555207&utm_adgroup=&utm_campaign=&utm_term=&utm_content=&gclid=CjwKCAjw5remBhBiEiwAxL2M9yrk0gGmMdPUp6yGgQcKH-mGcW4TcnemUHrcVvmecKP40O-TLleknhoCuFcQAvD_BwE#Prerequisites and https://www.digitalocean.com/community/tutorials/how-to-install-ruby-on-rails-with-rbenv-on-ubuntu-22-04

https://community.revelo.com.br/primeiros-passos-e-um-crud-com-ruby-on-rails/