Describing Our App to Swarm
Understand how to transform your Docker Compose development setup into a production-ready stack file for Docker Swarm. Learn to configure services, remove development-only components, specify production images, and prepare your Rails app to be deployed and scaled effectively in a production environment.
We'll cover the following...
You’re probably becoming pretty comfortable describing our app as a set of services defined in a Compose file. However, a docker-compose.yml file is development-focused: it lets us rebuild images easily and not get bogged down by unnecessary details such as deployment configuration.
Stack file
However, now when we come to deployment, we need something that is deployment-focused. Swarm introduces the concept of a stack to mean an application made up of a group of ...