Ruby on Rails -First App

Yesterday I built my first (technically second) Rails app working through Michael Hartl's book. The 3rd edition is free to read online and has been recommended by several self-taught developers; it is also on The Odin Project curriculum.

The first tutorial covers the basic installations, including Git, Heroku and Bitbucket (instead of GitHub). The steps are clear, but the language sometimes is not.

Most of the steps worked -except that my app doesn't seem to work when accessed from Heroku.

When running bundle install, I ran into problems with the SQL gems. Apparently this was because Ubuntu14.04 didn't come with the C compiler needed.
I needed to run:

                               sudo apt-get install libsqlite3 -dev
   sudo apt-get install libpq -dev

     After this the bundle install went ahead fine.

I also finished CodeSchool's Rails for Zombies which introduced basic Rails. As a review, I'm now working through Codecademy's Make a Rails App course which is a little gentler.

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