Docker Swarm

• Nodes:

  • Machines with docker installed and are reachable to each other
  • Node Types
    • Manager
    • Worker

• Services

  • Using Docker service the user describes desired state

• Tasks

  • Atomic unit of Scheduling in Docker Swarm mode
  • Your containers will be running (logically) inside Task

• Manager always tries to maintain state (desired == actual)

• For official Swarm documentation refer here

• Refer Here for Swarm Quick start