Introduction At Joboo.de, we are running nearly all of our production infrastructure on AWS. This includes several web applications running on virtualized Linux servers hosted via EC2. A couple of weeks ago, we saw elevated error levels from these applications, and they all boiled down to the same problem: in order to connect to some of our AWS-managed services like MariaDB (on AWS Relational Database Service), ElasticSearch (on AWS OpenSearch), SMTP (on AWS Simple Email Service), and Redis (...