ArgoCD: recovery when traefik is broken

· Thiago Perrotta · Aug. 9, 2025, 3:07 p.m.
Summary
This blog post discusses a problem encountered by a DevOps engineer when an upgrade of Traefik fails, causing internal services to become inaccessible. The author explains the steps taken to roll back the upgrade using ArgoCD and Kubernetes commands, emphasizing the importance of familiarity with the tools and systems in use to handle emergencies effectively. The piece highlights the practical application of knowledge in a real-world scenario.
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