This is a minimal working example of a Dockerized plain Ruby process utilizing Sidekiq jobs.

docker-compose up will build the images and start the containers. The app container will run and then exit. The redis and sidekiq containers will keep running until you stop them with Ctrl+C.

The ./log/demonstration.log file will be created and show the output from demonstration.rb.

If you would like to manually execute demonstration.rb:

• leave the redis and sidekiq containers running
• docker-compose run -it app /bin/bash
• ruby demonstrate.rb

I created this because many other examples I exhibited one or more of the following:

• Rails-centric
• more complicated than a simple MWE
• incomplete examples