intermediate
GitOps with Argo CD
Bootstrap Argo CD, model app-of-apps, and practice rollback via Git history. You will compare sync policies and secrets strategies that fit regulated tenants.
Logistics
3 weeks · 6h/week · Self-paced · ¥68,000 JPY (informational)
Included focus areas
- Bootstrap patterns for new clusters
- App-of-apps vs application sets tradeoffs
- Sync windows and maintenance modes
- Helm + Kustomize integration paths
- Secret strategies without committing creds
- Drift detection drills
- Observability for sync health
Outcomes
- Stand up a GitOps repo layout another squad could fork.
- Demonstrate a rollback using Git revert with verification steps.
- List three drift risks you will watch weekly.
Responsible instructor
Mika Okada
Former platform lead for a Yokohama fintech cohort program.
FAQ
Argo Rollouts?
Mentioned in a bonus module; not required for completion.
Managed Git?
Works with GitHub or GitLab; bring your own token with repo scope.
Gap?
Flux CD is not taught in parallel to avoid confusion.
Experience notes
“Sync window lab mirrored our change freeze policy — copied the YAML verbatim.”
“Short course, dense. Drift drill caught a manual kubectl edit we still need to train out.”