Add Docker

[torresga]

I don't know why, but when I try to run Docker, I get an error about having to bundle install:

gelsey@nadezhda right_aws % docker-compose up   
Recreating right_aws_web_1 ... done
Attaching to right_aws_web_1
web_1  | bundler: failed to load command: rake (/usr/local/bundle/bin/rake)
web_1  | Bundler::GitError: The git source https://github.com/flexera-public/right_http_connection is not yet checked out. Please run `bundle install` before trying to start your application
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/source/git/git_proxy.rb:225:in `allowed_in_path'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/source/git/git_proxy.rb:183:in `find_local_revision'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/source/git/git_proxy.rb:63:in `revision'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/source/git.rb:228:in `revision'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/source/git.rb:92:in `install_path'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/source/path.rb:123:in `expanded_path'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/source/path.rb:160:in `load_spec_files'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/source/git.rb:201:in `load_spec_files'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/source/path.rb:97:in `local_specs'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/source/git.rb:166:in `specs'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/definition.rb:738:in `block in converge_locked_specs'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/definition.rb:724:in `each'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/definition.rb:724:in `converge_locked_specs'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/definition.rb:228:in `resolve'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/definition.rb:159:in `specs'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/definition.rb:218:in `specs_for'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/definition.rb:207:in `requested_specs'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/runtime.rb:109:in `block in definition_method'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/runtime.rb:21:in `setup'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler.rb:101:in `setup'
web_1  |   /usr/local/lib/ruby/gems/2.1.0/gems/bundler-1.15.1/lib/bundler/setup.rb:20:in `<top (required)>'
web_1  |   /usr/local/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
web_1  |   /usr/local/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
right_aws_web_1 exited with code 1