cert-manager

cert-manager is an open source, extensible X.509 certificate controller designed for Kubernetes and OpenShift workloads. It automates the issuance, renewal, and management of TLS certificates from both public and private certificate authorities, ensuring secure communication and continuous certificate validity for web-facing and internal applications. cert-manager is ideal for DevOps teams, platform engineers, and organizations seeking to automate certificate lifecycle management in cloud-native environments.