Additional optional parameter (-b) to modify the behavior regarding the venerable app.
delete: Removes the venerable app after successful deployment. Default value for backward compatibility.
stop: Stops the venerable app after successful deployment. Useful for running additional integration/system tests against the new app and rolling back in case of failure. Solves #53.
ignore: Does not change the venerable app after successful deployment. Similar to #54.
Additional optional parameter (-b) to modify the behavior regarding the venerable app.