John Allspaw and Paul Hammond did a great presentation at Velocity 2009 about the tools and culture at Flickr, which enable them to do 10+ deploys per day. My favorite quote is: Ops' job is NOT to keep the site stable and fast [but] Ops' job is it to enable the business (this is the … Continue reading Dev and Ops Cooperation
For developing our Ruby on Rails based web site, we usually take regular SQL dumps from our production servers (of course, anonymizing sensitive customer data along the way). Always having a fresh dump allows us to be on the safe side when writing database migrations. Having an up to date development database enables us to … Continue reading Setting up a test database on a ruby on rails continuous integration server using SQL instead of schema.rb
Why do programmers code, priorities, how to assess a programmers competency and continuos integration cage fight - some food for thought... Programmers Don't Like to Code (Jonathan 'Wolf' Rentzsch) - A very insightful article about why programmers keep re-writing code: To understand, and, after understanding, to simplify. Mud Rooms, Red Letters, and Real Priorities (Merlin … Continue reading Four Short Links: 30 April 2009
This is a guest post by Patrick Debois, the author of JEDI: Just Enough Developed Infrastructure. I stumbled across Patrick early last year while searching desperately for some relevant topics on "agile operations". One amusing, yet poignant, hit was the lost use cases of Operations. Agile Web Operations didn't even exist at the time, but … Continue reading System Configurations + Code Revisions = Continuous Integration FTW!
On Monday, I started my new job as CTO of NetDoktor.de GmbH. Its the #1 health portal over here in Germany (ala WebMD or Revolution Health in the States). One of my main tasks will be to bring a more agile approach to their software development. As they currently outsource the website development, I once … Continue reading New Job at NetDoktor
Today, automated test builds are a goal of most development shops, and Martin Fowler's article on Continuous Integration provides an excellent overview about the major aspects. Regardless of where your team is on the path to achieving this goal, here are a few hints how to ease your way. The committer pulls test coverage out … Continue reading Continuous Integration Helps Find and Kill Bugs