{"id":379,"date":"2014-05-12T08:00:00","date_gmt":"2014-05-12T07:00:00","guid":{"rendered":"http:\/\/www.diogonunes.com\/blog\/?p=379"},"modified":"2020-05-15T14:24:43","modified_gmt":"2020-05-15T13:24:43","slug":"set-up-your-rails-env","status":"publish","type":"post","link":"https:\/\/www.diogonunes.com\/blog\/set-up-your-rails-env\/","title":{"rendered":"Setting up your Rails environment from scratch"},"content":{"rendered":"
\"original
original photo: goo.gl\/QE43FV<\/figcaption><\/figure>\n

This is a complete yet summarized guide to set up a Ruby on Rails development environment on Linux.<\/h2>\n

<\/p>\n

Installing and configuring Sublime Text, Github, and Heroku are optional but we’re included for the sake of completeness. Since these are the de facto<\/em> tools for editing source code, managing code repositories and deploying applications on the Rails world, you’ll probably want to install them and get used to them.<\/p>\n

Assuming you already have Ubuntu<\/a> installed, let’s start!<\/p>\n

Installing Ruby, the core language<\/h2>\n

Install Ruby’s dependencies first:<\/p>\n

sudo apt-get update\nsudo apt-get install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev\n<\/code><\/pre>\n
Install rvm<\/a> (ruby version manager), a command-line tool which allows you to easily install, manage, and work with multiple ruby environments:<\/p>\n
sudo apt-get install libgdbm-dev libncurses5-dev automake libtool bison libffi-dev\ncurl -L https:\/\/get.rvm.io | bash -s stable\nsource ~\/.rvm\/scripts\/rvm\necho \"source ~\/.rvm\/scripts\/rvm\" >> ~\/.bashrc\nrvm get stable                                  # updates to the latest  version\n<\/code><\/pre>\n
Install Ruby using rvm:<\/p>\n
rvm install 2.1.0               # installs ruby 2.1.0, it might take a while\nrvm use 2.1.0 --default\nruby -v                         # should print your ruby's version\n<\/code><\/pre>\n
It’s probably a good idea to install a YAML<\/a> library, as you might need it later:<\/p>\n
apt-get install libyaml-dev     # For Debian-based Linux systems\nyum install libyaml-devel       # For Fedora\/CentOS\/RHEL Linux systems\nbrew install libyaml            # For Mac with Homebrew\n<\/code><\/pre>\n
Finally tell RubyGems<\/a> (which was installed with Ruby and is responsible for managing gems) not to install the documentation for each package locally:<\/p>\n
echo \"gem: --no-ri --no-rdoc\" > ~\/.gemrc\n<\/code><\/pre>\n
Installing Rails, the framework<\/h2>\n
Nowadays almost everything uses Javascript, therefore we’ll need a JS runtime. Among other things, this lets you use the Asset Pipeline in Rails which combines and minifies your .js files for a faster production environment. We’ll install Node.JS as our Javascript runtime:<\/p>\n
sudo add-apt-repository ppa:chris-lea\/node.js\nsudo apt-get update\nsudo apt-get install nodejs\n<\/code><\/pre>\n
Time to lay down the rails<\/em> for your train<\/em> (get it?<\/a>):<\/p>\n
gem install rails\nrails -v                    # should print your Rails version\n<\/code><\/pre>\n
Installing Sublime Text, the code editor<\/h2>\n
Sublime Text<\/a> is a elegant, customizable, and powerful text\/code editor. Here’s why you should use it<\/a>. Customizing it would need another guide, for now let’s just install it<\/a>:<\/p>\n
# For Sublime-Text-2\nsudo add-apt-repository ppa:webupd8team\/sublime-text-2\nsudo apt-get update\nsudo apt-get install sublime-text\n# For Sublime-Text-3 (beta)\nsudo add-apt-repository ppa:webupd8team\/sublime-text-3\nsudo apt-get update\nsudo apt-get install sublime-text-installer\n<\/code><\/pre>\n
Configuring Git(hub), the code repository<\/h2>\n
When you installed Ruby’s dependencies you installed Git<\/a>. I strongly advise you to use Git as your version control system. If you’re planning to develop alone, you can start using Git locally right away, just execute git init<\/code> on your application’s folder.<\/p>\n
However, if you want to push your local changes to a remote code repository or share your code online and let others fork it, you should create a free Github account<\/a>. Once you have your Github account:<\/p>\n
git config --global color.ui true\ngit config --global core.editor \"subl -w\"               # use Sublime Text as the default code editor\ngit config --global user.name \"Alice Wonderland\"        # replace with your name\ngit config --global user.email \"alice@wonderland.com\"   # replace with your email\nssh-keygen -t rsa -C \"alice@wonderland.com\"    \n<\/code><\/pre>\n
The last command will generate a public and a private SSH key. This keys are used to authenticate you before you push changes to the online repository. You’ll get something like this:<\/p>\n
Generating public\/private rsa key pair.\nEnter file in which to save the key (\/home\/alice\/.ssh\/id_rsa):       # press enter to use default location\nCreated directory '\/home\/alice\/.ssh'.\nEnter passphrase (empty for no passphrase):                          # optional, encrypts your private key \nYour identification has been saved in \/home\/alice\/.ssh\/id_rsa.       # private key, DO NOT share it\nYour public key has been saved in \/home\/alice\/.ssh\/id_rsa.pub.       # public key, you need to send this to github\n<\/code><\/pre>\n
To copy the public key, open it on a text editor, and copy the file’s contents:<\/p>\n
gedit \/home\/alice\/.ssh\/id_rsa.pub\n<\/code><\/pre>\n
Go to your Github’s Account Settings > SSH keys > Add SSH keys<\/a>. Give it any title and paste the copied public key.<\/p>\n
Configuring the database<\/h2>\n
Rails ships with sqlite3 as the default database. Chances are you won’t want to use it because it’s stored as a simple file on disk. You’ll probably want something more robust like MySQL<\/a> (Rails’ default) or PostgreSQL<\/a> (Heroku’s default) or both!<\/p>\n
I use MySQL for development and testing and PostgreSQL for production. Since Rails is database agnostic, as long as you correctly configure your databases (databases.yml<\/code> file) everything will work just fine.<\/p>\n
PostgreSQL<\/h3>\n
The PostgreSQL installation doesn’t setup a user for you, so you’ll have to do it manually after you install it:<\/p>\n
sudo sh -c \"echo 'deb http:\/\/apt.postgresql.org\/pub\/repos\/apt\/ precise-pgdg main' > \/etc\/apt\/sources.list.d\/pgdg.list\"\nwget --quiet -O - http:\/\/apt.postgresql.org\/pub\/repos\/apt\/ACCC4CF8.asc | sudo apt-key add -\nsudo apt-get update\nsudo apt-get install postgresql-common\nsudo apt-get install postgresql-9.3 libpq-dev   # installs postgresql version 9.3\n<\/code><\/pre>\n
Let’s create a user with permissions to create databases. Attention: the name of the postgres user should be the name of the user currently logged in on your operating system – therefore you will praobably create a user called john<\/code> instead of the usual admin<\/code> or sa<\/code>.<\/p>\n
sudo -u postgres createuser alice -s    # the currently logged user's name\n<\/code><\/pre>\n
Now for the password:<\/p>\n
sudo -u postgres psql           # start postgres\n\\password alice                 # tell it you want to change your password\nEnter new password:             # do it \n\\q                              # quit when you're done\n<\/code><\/pre>\n
Later on, after Rails creates your application you should configure the database.yml<\/code> file with the user and password you just created on the previous step.<\/p>\n
Installing Heroku, the production environment<\/h2>\n
Once you have your application working locally you’ll want to deploy it online so that user can… well, use it! Heroku<\/a> integrates really well with Rails and its free. So sign up<\/a> and install Heroku’s toolbelt<\/a>:<\/p>\n
wget -qO- https:\/\/toolbelt.heroku.com\/install-ubuntu.sh | sh    # Debian or Ubuntu\nheroku login                                                    # type in your credentials\nheroku keys:add                                                 # this will associate your github's SSH keys with heroku\n<\/code><\/pre>\n
Done… but is it working?<\/h2>\n
To test your Ruby\/Rails installation:<\/p>\n
rails new myapp\n\n#### If you want to use MySQL\nrails new myapp -d mysql\n\n#### If you want to use Postgres\n# Note that this will expect a postgres user with the same username\n# as your app. You should edit the file at myapp\/config\/database.yml\n# to match the user you created earlier\nrails new myapp -d postgresql\n\n# Move into the application directory\ncd myapp\n\n# If you setup MySQL or Postgres with a username\/password, modify the\n# config\/database.yml file to contain the username\/password that you specified    \n\nrake db:create  # Create the database    \nrails server    # And open your browser at the url output by this command\n<\/code><\/pre>\n
This tutorial was based on GoRails’<\/a>. To test the whole development workflow (from zero to deploy) follow Michael Hartl’s Rails Tutorial<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
This is a complete yet summarized guide to set up a Ruby on Rails development environment on Linux.<\/p>\n","protected":false},"author":1,"featured_media":1373,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[29,30,31,48],"class_list":["post-379","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech","tag-coding","tag-ruby-on-rails","tag-tutorial","tag-web-dev"],"yoast_head":"\nSetting up your Rails environment from scratch - The Geeky Gecko<\/title>\n<meta name=\"description\" content=\"This is a complete and summarized guide to set up a Ruby on Rails development environment on Ubuntu.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.diogonunes.com\/blog\/set-up-your-rails-env\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Setting up your Rails environment from scratch - 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