Automating safe, hands-off deployments
When I interviewed for my job at Amazon, I made sure to ask one of the interviewers, “How often do you deploy to production?” At the time, I was working on a product that rolled out a major release once or twice a year, but sometimes I needed to release a small fix in between big releases. For each fix that I released, I spent hours carefully rolling it out. Then I frantically checked logs and metrics to see if I had broken anything after the deployment and needed to roll it back....