While Docker Compose is normally used for development and testing, it can also be used for deploying production applications. For the sake of this tutorial, I concentrate on dev-and-test scenarios.

With the docker-compose.example.yml file still open, launch the terminal. Enter the following command inside the terminal and paste the result into the ROM_AUTH_SECRET_KEY field of the yml file ...

You may need to tweak the reverse proxy container to direct traffic to the new container, if you used the Docker Compose example on the previous page.

But there are tools like docker-compose to automate this workflow, which are very powerful when running multiple containers/services.