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Setting up Docker Swarm High Availability in Production

Interesting project. Can build on 1 node.

Docker Swarm is a container orchestration tool that makes it easy to manage and scale your existing Docker infrastructure. It consists of a pool of Docker hosts that run in Swarm mode with some nodes acting as managers, workers, or both. Using Docker Swarm mode to manage your Docker containers brings the following benefits:

  • It allows you to incrementally apply updates with zero downtime.
  • It increases application resilience to outages by reconciling any differences between the actual state and your expressed desired state.
  • It eases the process of scaling your applications since you only need to define the desired number of replicas in the cluster.
  • It is built into the docker CLI, so you don’t need additional software to get up and running.
  • It enables multi-host networking such that containers deployed on different nodes can communicate with each other easily.

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