A couple of years ago my team and I decided to change the name of a column in a loan origination system. 99% of the time this was no big deal. However, this was the primary key identity column used to uniquely identify a loan in the application. Renaming a
A core concept of continuous delivery is build once, deploy anywhere. The idea behind it is simple, the code is built once and deployed to all the servers throughout the various environments. For example, if you had a development, testing, staging and production server, you would build once before deploying
Small releases shouldn't cause major outages. It certainly shouldn't take down a production database server. In the end it was one line of code. That exposed several flaws and brought down the database server.
Wednesday night my team and I deployed a release to production. The release consisted of both