Introducing Docker Swarm

Production environment concerns

Remember, we are treating this virtual instance as if it were a production instance for our application. Our objective is to start our application on this instance so that it can be used to service real requests. There are a number of ways you could do this. For example, you could use low-level Docker commands to start the various containers for our application.

However, having created a nice abstraction for our application with our docker-compose.yml file, that doesn’t sound appealing. If you ...