Linkerd with external CAs using Vault

Certificate management is a critical part of securely operating Linkerd. In many environments, that means working with an external certifying authority (CA) - and really, external CAs are a good idea even where they’re not mandated! In this Service Mesh Academy, we’ll walk you through why an external CA is a good idea, and how to set everything up with cert-manager, using Vault as our primary example.