Core components

The FLOW platform consists of the following core components:

• ArgoCDContinuous delivery of applications
• cert-managerManages certificates
• CrossplaneThe universal control plane
• External Secrets OperatorManages secrets, backed by HashiCorp Vault
• kube-fledgedCaches images on all or selected worker nodes
• KyvernoManages cluster policies
• NFS provisionerProvides read-write-many persistent volumes
• ObservabilityGrafana, Prometheus, Loki and Tempo
• SMB CSI DriverSMB volume driver
• Stakater ReloaderRestarts applications when their config changes
• trust-managerManages trust bundles

These components and the use of these components are explained in more detail in the upcoming sections.