Portainer 101
https://install.portainer.io/portainer-101We recommend running the Portainer Server on a specific management node, with Portainer Agents deployed across the remaining nodes. Agent vs Edge Agent In standard deployments, the central Portainer Server instance and any environments it manages are assumed to be on the same network, that is, Portainer Server and the Portainer Agents are able to seamlessly …
Portainer architecture - Portainer Documentation
docs.portainer.io › v › ce-2A single Portainer Server will accept connections from any number of Portainer Agents, providing the ability to manage multiple clusters from one centralized interface. To do this, the Portainer Server container requires data persistence. The Portainer Agents are stateless, with data being shipped back to the Portainer Server container.