Don't discourage docker compose deployment in prod

[canton-network-da]

[ This issue was auto-migrated from DA's internal repo (DACH-NY/canton-network-node#19175). Original author: @moritzkiefer-da ]

At the moment, our docs don't really make it sound like you can use docker compose in prod. Afaik we do have a few users that have done that and imho it should just be supported.

I think what we need to do is rather than just list the limitations, describe how you can address them. E.g., rather than telling people there is no auth or TLS, recommend enabling auth and putting it behind their VPN.

Also should mention that you can run it in a cloud deployment and not just locally.

[canton-network-da]

[ from @simonletort-da ]: Thanks @moritzkiefer-da, this will clarify a common question from clients!