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- Check rails version
$ rails -v

- To update rails
$ gem update rails

- Creating a new rails app using postgresql
$ mkdir rails_projects
$ cd rails_projects
$ rails new myapp --database=postgresql
$ cd myapp

- Update Gemfile to include the correct ruby version on the top
source 'https://rubygems.org'
ruby '2.0.0'

- Run bundle install
$ bundle update
$ bundle install

- Update the passwords in the config/database.yml file
username: myapp
password: password

- Create a user in postgresql
$ createuser myapp
 
- Create test, development and production databases
$ createdb -Omyapp -Eunicode myapp_development
$ createdb -Omyapp -Eunicode myapp_test
$ createdb -Omyapp -Eunicode myapp_production

- Test the rails server
$ rails s

- Append the following lines to the Gemfile
# Use rspec as the testing framework
group :development, :test do
  gem 'rspec-rails', '~> 3.0.0.beta'
end

- Install rspec
$ bundle install
$ rails generate rspec:install
Then, delete the test folder in rails.

- Create a binstub for the rspec command
$ bundle binstubs rspec-core

- Check if you can run rspec
$ rspec

- Initialize a git repository
$ git init

- Append .DS_Store to gitignore if you are using a Mac
# Ignore files containing MAC folder attributes
.DS_Store

- Create a new repository on github and follow the 'create repository' instructions
$ git add .
$ git commit -m "[Setup] first commit"
$ git remote add origin git@github.com:sionc/myapp.git
$ git push -u origin master

- Fix SSL errors by using the following command
$ curl -fsSL curl.haxx.se/ca/cacert.pem \
  -o "$(ruby -ropenssl -e 'puts OpenSSL::X509::DEFAULT_CERT_FILE')"