On December 8, 2020, Red Hat CTO Chris Wright announced that the popular Linux distribution CentOS will only receive support (and security fixes) until 2021 (instead of the originally announced 2029). Put differently: thousands of CentOS users who counted on the availability of security updates for the foreseeable future are now left in the cold and need to migrate their systems in the next 12 months. While this may sound like a long time, it is actually a gigantic pressure ...
In a blue-green deployment strategy, there are always two instances of your application running in production. A reverse proxy is used to direct traffic to either the green or the blue version. You then deploy changes to your application by first updating the inactive version and then changing the load balancer config to redirect traffic to the updated instance. In this video, I will show you how to set up a very simple version of such a blue-green deployment using ...