A Small AWS Mistake That Taught Me to Always Check the Region
A while back, when I was just starting to get more hands-on with AWS and infrastructure, I ran into a performance issue that took me longer than I’d like to admit to figure out. At the time, we were upgrading one of our Rails applications to a newer version. Instead of upgrading the existing EC2 instance, we decided to provision a new one and deploy the application there. It felt like the safer approach since we could leave the old server untouched until we were confident everything was working as expected. ...