Gemnasium Workshop @dotrb 2013: Hands-On Part 2

dotrb2013-workshop-hands-on-part2.md

Hands-on part 2: update the dependencies

Part 2 of the Gemnasium workshop at dotRB2013.

Check the dependencies with Gemnasium

The easiest way is to fork the dotrb2013 project on GitHub:

• sign up on Gemnasium using your GitHub account
• fork the dotrb2013 on GitHub
• add your fork on Gemnasium
• have a look at the dependencies!

You can also simulate a private project:

• sign up on Gemnasium using your GitHub account
• ask for a trial account to Philippe
• create a "dotrb2013" project on gemnasium
• get an API key from the Gemnasium web interface
• clone the dotrb2013 project on your laptop
• install the gemnasium gem
• create the gemnasium.yml config file
• push to gemnasium using gemnasium push
• have a look at the dependencies!

Update the dependencies

• choose the dependency you want to update
• start the rails container in console mode
• update the dependency and check if it works
• commit the container, create a new image
• create an account on docker index
• publish your docker image

Commands

• bundle update
• docker push

Easy migrations

There is a "development" branch on GitHub and it has new features. But it requires you run a few database migrations. How can we leverage our containers to switch between the "master" branch and the "development" branch "in no time"?