Docker

docker swarm vs. docker-compose

docker swarm

Part of main docker engine (implemented in Go). Used to deploy container stack (defined in Compose file format) over many nodes.

docker-compose

Separate program (not part of docker engine, implemented in python). Used for deploying stack (defined in Compose file format) to single machine [1].

[1]

https://forums.docker.com/t/when-to-use-docker-compose-and-when-to-use-docker-swarm/29107/2

Docker-compose installation

Follow excellent installation instructions [2]

[2]

https://docs.docker.com/compose/install/