The k3s upgrade experience with System Upgrade Controller and Argo CD
GitLab SMTP configuration for AWS SES with domain verification and DNS records managed by Terraform
About two hours of concentrated knowledge of Terraform and GitLab and GitHub. How to automate your work not just with your infrastructure, but also with GitLab. Manage your groups, projects, users and all of it together easily in a declarative way.
A few words about JAMStack and what I like about it.