Epiphany: Systemd reads more than a single environment file. This
lets me improve the file naming much.

Unfortunately still prints a bold warning on deployment.

Use convention to find the file from which the public key can be read.

update the localdev grid's secrets and other configuration to reflect this

testing and production are broken by this commit since they have not been
updated similarly

update the localdev grid's secrets and other configuration to reflect this

testing and production are broken by this commit since they have not been
updated similarly