Is there a problem with the docker compose version?

[wsw70]

Since using Arcane I started to have weird problems with my docker containers. I spent hours trying to understand the core issue and this morning I realized that I was doing my tests with a mix of Arcane and command line docker compose. (without the dash).

I realized that depending whether I use Arcane or docker compose I end up with

• different naming templates (the containers are called ntfy_ntfy_1 or ntfy-ntfy-1 depending on the approach)
• the aliasing is broken with Arcane: a service cannot be called by its name (ntfy) but must be done via the container name

To see the difference, it is best to start a docker compose with docker compose and with Arcane and check

docker inspect ntfy-ntfy-1 | jq '.[].NetworkSettings' 

and look at DNSNames.

My question: does Arcane really use docker compose version 2? If so - why the difference with the command line (docker compose (with the space) is the docker CLI, docker-compose is legacy)