Summary
And we've come to the end of an eventful chapter and also the end of the book. We deep-dived into GitOps and looked at application management and the end-to-end GitOps life cycle using CI/CD pipelines. We started with the CI of a simple Flask application with GitHub Actions. We then discussed release gating with pull requests and then learned about CD in GitOps with a hands-on exercise with Flux CD. We then covered managing sensitive configuration and Secrets with Sealed Secrets. Throughout the chapter, we created all services, including the CI/CD pipelines, with code, and therefore implemented pure GitOps.
GitOps is a fantastic way of implementing modern DevOps. It is always fruitful in the long run as it is easy to implement, requires very little documentation, and the best part is that you have working code for every bit of infrastructure and software you're running. So, if you lose your entire estate but have your code and data, you can spin up everything from...