the process of setting up, editing, and deploying the community_pics app

terminal output

First, download GitHub for Mac (or install git).
http://mac.github.com

Then, go to the community_pics repository page and click "Clone in Mac"
http://github.com/schwabsauce/community_pics

Open a Terminal window and move into the community_pics directory
$ cd Documents/community_pics

Then run bundle and rake db:migrate.
$ bundle
$ rake db:migrate

Now you are ready to start a server
$ rails s

You can see the app running at this address.
http://localhost:3000

The first thing you will have to do is click "sign up" and create a password.

The output of some of these commands is shown below.


Michaels-MacBook-Air:community_pics mikey$ bundle
Fetching source index for http://rubygems.org/
Installing rake (0.9.2.2) 
Installing multi_json (1.0.4) 
Installing activesupport (3.1.3) 
Using builder (3.0.0) 
Using i18n (0.6.0) 
Installing activemodel (3.1.3) 
Using erubis (2.7.0) 
Installing rack (1.3.6) 
Using rack-cache (1.1) 
Using rack-mount (0.8.3) 
Using rack-test (0.6.1) 
Using hike (1.2.1) 
Using tilt (1.3.3) 
Using sprockets (2.0.3) 
Installing actionpack (3.1.3) 
Using mime-types (1.17.2) 
Using polyglot (0.3.3) 
Using treetop (1.4.10) 
Using mail (2.3.0) 
Installing actionmailer (3.1.3) 
Using arel (2.2.1) 
Using tzinfo (0.3.31) 
Installing activerecord (3.1.3) 
Installing activeresource (3.1.3) 
Using ansi (1.4.1) 
Using bundler (1.0.21) 
Installing carrierwave (0.5.8) 
Installing coffee-script-source (1.2.0) 
Installing execjs (1.2.13) 
Using coffee-script (2.2.0) 
Using rack-ssl (1.3.2) 
Installing json (1.6.5) with native extensions 
Installing rdoc (3.12) 
Using thor (0.14.6) 
Installing railties (3.1.3) 
Using coffee-rails (3.1.1) 
Installing jquery-rails (1.0.19) 
Installing rails (3.1.3) 
Installing sass (3.1.12) 
Installing sass-rails (3.1.5) 
Installing sqlite3 (1.3.5) with native extensions 
Installing turn (0.8.2) 
Installing uglifier (1.2.2) 
Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem is installed.
Michaels-MacBook-Air:community_pics mikey$ rake db:migrate
==  CreatePictures: migrating =================================================
-- create_table(:pictures)
   -> 0.0010s
==  CreatePictures: migrated (0.0010s) ========================================

==  PictureHasPhotoFile: migrating ============================================
-- add_column(:pictures, :photo_file, :string)
   -> 0.0023s
==  PictureHasPhotoFile: migrated (0.0023s) ===================================

Michaels-MacBook-Air:community_pics mikey$ rails g scaffold tag name:string
      invoke  active_record
      create    db/migrate/20120118150034_create_tags.rb
      create    app/models/tag.rb
      invoke    test_unit
      create      test/unit/tag_test.rb
      create      test/fixtures/tags.yml
       route  resources :tags
      invoke  scaffold_controller
      create    app/controllers/tags_controller.rb
      invoke    erb
      create      app/views/tags
      create      app/views/tags/index.html.erb
      create      app/views/tags/edit.html.erb
      create      app/views/tags/show.html.erb
      create      app/views/tags/new.html.erb
      create      app/views/tags/_form.html.erb
      invoke    test_unit
      create      test/functional/tags_controller_test.rb
      invoke    helper
      create      app/helpers/tags_helper.rb
      invoke      test_unit
      create        test/unit/helpers/tags_helper_test.rb
      invoke  assets
      invoke    coffee
      create      app/assets/javascripts/tags.js.coffee
      invoke    scss
      create      app/assets/stylesheets/tags.css.scss
      invoke  scss
   identical    app/assets/stylesheets/scaffolds.css.scss
Michaels-MacBook-Air:community_pics mikey$ rake db:migrate
==  CreateTags: migrating =====================================================
-- create_table(:tags)
   -> 0.0013s
==  CreateTags: migrated (0.0014s) ============================================

Michaels-MacBook-Air:community_pics mikey$ rails g scaffold tagging tag:belongs_to picture:belongs_to
      invoke  active_record
      create    db/migrate/20120118150329_create_taggings.rb
      create    app/models/tagging.rb
      invoke    test_unit
      create      test/unit/tagging_test.rb
      create      test/fixtures/taggings.yml
       route  resources :taggings
      invoke  scaffold_controller
      create    app/controllers/taggings_controller.rb
      invoke    erb
      create      app/views/taggings
      create      app/views/taggings/index.html.erb
      create      app/views/taggings/edit.html.erb
      create      app/views/taggings/show.html.erb
      create      app/views/taggings/new.html.erb
      create      app/views/taggings/_form.html.erb
      invoke    test_unit
      create      test/functional/taggings_controller_test.rb
      invoke    helper
      create      app/helpers/taggings_helper.rb
      invoke      test_unit
      create        test/unit/helpers/taggings_helper_test.rb
      invoke  assets
      invoke    coffee
      create      app/assets/javascripts/taggings.js.coffee
      invoke    scss
      create      app/assets/stylesheets/taggings.css.scss
      invoke  scss
   identical    app/assets/stylesheets/scaffolds.css.scss
Michaels-MacBook-Air:community_pics mikey$ rake db:migrate
==  CreateTaggings: migrating =================================================
-- create_table(:taggings)
   -> 0.0010s
-- add_index(:taggings, :tag_id)
   -> 0.0004s
-- add_index(:taggings, :picture_id)
   -> 0.0005s
==  CreateTaggings: migrated (0.0020s) ========================================

Michaels-MacBook-Air:community_pics mikey$ heroku create --stack cedar
Creating floating-flower-6896... done, stack is cedar
http://floating-flower-6896.herokuapp.com/ | [email protected]:floating-flower-6896.git
Git remote heroku added

Michaels-MacBook-Air:community_pics mikey$ git push heroku master
Counting objects: 223, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (202/202), done.
Writing objects: 100% (223/223), 58.46 KiB, done.
Total 223 (delta 80), reused 79 (delta 3)

-----> Heroku receiving push
-----> Ruby/Rails app detected
-----> Installing dependencies using Bundler version 1.1.rc.7
       Running: bundle install --without development:test --path vendor/bundle --binstubs bin/ --deployment
       Fetching gem metadata from http://rubygems.org/.......
       Installing rake (0.9.2.2)
       Installing multi_json (1.0.4)
       Installing activesupport (3.1.3)
       Installing builder (3.0.0)
       Installing i18n (0.6.0)
       Installing activemodel (3.1.3)
       Installing erubis (2.7.0)
       Installing rack (1.3.6)
       Installing rack-cache (1.1)
       Installing rack-mount (0.8.3)
       Installing rack-test (0.6.1)
       Installing hike (1.2.1)
       Installing tilt (1.3.3)
       Installing sprockets (2.0.3)
       Installing actionpack (3.1.3)
       Installing mime-types (1.17.2)
       Installing polyglot (0.3.3)
       Installing treetop (1.4.10)
       Installing mail (2.3.0)
       Installing actionmailer (3.1.3)
       Installing arel (2.2.1)
       Installing tzinfo (0.3.31)
       Installing activerecord (3.1.3)
       Installing activeresource (3.1.3)
       Installing carrierwave (0.5.8)
       Installing coffee-script-source (1.2.0)
       Installing execjs (1.2.13)
       Installing coffee-script (2.2.0)
       Installing rack-ssl (1.3.2)
       Installing json (1.6.5) with native extensions
       Installing rdoc (3.12)
       Installing thor (0.14.6)
       Installing railties (3.1.3)
       Installing coffee-rails (3.1.1)
       Installing jquery-rails (1.0.19)
       Installing pg (0.11.0) with native extensions
       Using bundler (1.1.rc.7)
       Installing rails (3.1.3)
       Installing sass (3.1.12)
       Installing sass-rails (3.1.5)
       Installing uglifier (1.2.2)
       Your bundle is complete! It was installed into ./vendor/bundle
       Cleaning up the bundler cache.
-----> Writing config/database.yml to read from DATABASE_URL
-----> Preparing app for Rails asset pipeline
       Running: rake assets:precompile
       /usr/local/bin/ruby /tmp/build_242tk1uy0yuif/vendor/bundle/ruby/1.9.1/bin/rake assets:precompile:nondigest RAILS_ENV=production RAILS_GROUPS=assets
-----> Rails plugin injection
       Injecting rails_log_stdout
       Injecting rails3_serve_static_assets
-----> Discovering process types
       Procfile declares types      -> (none)
       Default types for Ruby/Rails -> console, rake, web, worker
-----> Compiled slug size is 17.9MB
-----> Launching... done, v5
       http://floating-flower-6896.herokuapp.com deployed to Heroku

To [email protected]:floating-flower-6896.git
 * [new branch]      master -> master
Michaels-MacBook-Air:community_pics mikey$ heroku run rake db:migrate
Running rake db:migrate attached to terminal... up, run.1
Migrating to CreatePictures (20120115185030)
==  CreatePictures: migrating =================================================
-- create_table(:pictures)
   -> 0.0185s
==  CreatePictures: migrated (0.0187s) ========================================

Migrating to PictureHasPhotoFile (20120115192726)
==  PictureHasPhotoFile: migrating ============================================
-- add_column(:pictures, :photo_file, :string)
   -> 0.0064s
==  PictureHasPhotoFile: migrated (0.0065s) ===================================

Migrating to CreateTags (20120118150034)
==  CreateTags: migrating =====================================================
-- create_table(:tags)
   -> 0.0103s
==  CreateTags: migrated (0.0114s) ============================================

Migrating to CreateTaggings (20120118150329)
==  CreateTaggings: migrating =================================================
-- create_table(:taggings)
   -> 0.0054s
-- add_index(:taggings, :tag_id)
   -> 0.0067s
-- add_index(:taggings, :picture_id)
   -> 0.0100s
==  CreateTaggings: migrated (0.0223s) ========================================

Michaels-MacBook-Air:community_pics mikey$ 

Deploying to heroku is pretty easy. The instructions I followed are available here:
http://devcenter.heroku.com/articles/rails3

In this second version, I edited out the unnecessary commands and mistakes.