SPIFFE and mTLS with cert-manager

In 2024, I wrote an article about Istio, a service mesh that manages communication between microservices. In that article, we explored a bit how mTLS works with sidecars (link to the chapter). It was a practical article, but we didn&rsquo;t go very deep into the details. Today, we will dive deeper into this topic by exploring SPIFFE, which is the reference framework for workload identity…