To make sure that we have all the images ready for final testing, we must make sure we are using the full image name, including the private registry's FQDN/namespace, and make sure the real (not the dev) version of the Dockerfile is used for the build. To accomplish this, we create a docker-compose-build.yml file, as shown in the following code, with only build (no deployment) information.
We do not need a namespace, or need to push the reverse_proxy image, as it is only for local developer use. We add the dtr.mydomain.com/dev prefix to the images so that we can use the DTR's dev organization as the developer image sandbox. We add a :local tag to our images so that we know they are locally built and pushed. ...