title: Rails database configuration does not specify adapter. What do I do?
body: <p>The following is the error message:</p>
  
  <pre><code>/Users/davidzabner/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb:47:in `resolve_hash_connection'
      /Users/davidzabner/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-3.2.13/lib/active_record/connection_adapters/abstract/connection_specification.rb:41:in `resolve_string_connection'
      ...
      /Users/davidzabner/.rvm/gems/ruby-1.9.3-p448/gems/railties-3.2.13/lib/rails/application.rb:103:in `require_environment!'
      /Users/davidzabner/.rvm/gems/ruby-1.9.3-p448/gems/railties-3.2.13/lib/rails/application.rb:297:in `block (2 levels) in initialize_tasks'
      /Users/davidzabner/.rvm/gems/ruby-1.9.3-p448/bin/ruby_noexec_wrapper:14:in `eval'
      /Users/davidzabner/.rvm/gems/ruby-1.9.3-p448/bin/ruby_noexec_wrapper:14:in `&lt;main&gt;'
  </code></pre>
  
  <p>My database.yml file:</p>
  
  <pre><code>development:
    adapter: sqlite3
    database: db/development.sqlite3
    pool: 5
    timeout: 5000
  
  test:
    adapter: sqlite3
    database: db/test.sqlite3
    pool: 5
    timeout: 5000
  
  production:
    adapter: sqlite3
    database: db/production.sqlite3
    pool: 5
    timeout: 5000
  </code></pre>
  
  <p>My Gemfile:</p>
  
  <pre><code>source 'https://rubygems.org'
  
  gem "therubyracer"
  gem "less-rails" #Sprockets (what Rails 3.1 uses for its asset pipeline) supports LESS
  gem "twitter-bootstrap-rails"
  gem 'jquery-rails'
  gem 'devise'
  
  gem 'rails', '3.2.13'
  
  # Bundle edge Rails instead:
  # gem 'rails', :git =&gt; 'git://github.com/rails/rails.git'
  
  group :development, :test do
      gem 'sqlite3'
  end
  
  group :production do
      gem 'pg'
  end
  
  gem 'mini_magick'
  gem "rmagick"
  gem "carrierwave"
  
  
  # Gems used only for assets and not required
  # in production environments by default.
  group :assets do
    gem 'sass-rails',   '~&gt; 3.2.3'
    gem 'coffee-rails', '~&gt; 3.2.1'
  
    # See https://github.com/sstephenson/execjs#readme for more supported runtimes
    # gem 'therubyracer', :platforms =&gt; :ruby
  
    gem 'uglifier', '&gt;= 1.0.3'
  end
  
  gem 'jquery-rails'
  
  # To use ActiveModel has_secure_password
  # gem 'bcrypt-ruby', '~&gt; 3.0.0'
  
  # To use Jbuilder templates for JSON
  # gem 'jbuilder'
  
  # Use unicorn as the app server
  # gem 'unicorn'
  
  # Deploy with Capistrano
  # gem 'capistrano'
  
  # To use debugger
  # gem 'debugger'
  </code></pre>