Implement mTLS and zero trust with cert-manager and trust-manager

This blog post discusses the significant upgrades to the cert-manager operator for Red Hat OpenShift, focusing on the introduction of the trust-manager. It explains how these updates enhance the management of TLS and mTLS certificates, providing automated solutions for distributing trusted certificate authorities across Kubernetes clusters. The post also highlights the importance of zero trust architecture, reducing the lifespan of certificates, and automating the rotation of certificates and trust bundles to improve security and scalability.