Arcane pulls every service's image: reference before deploying, and
playlink isn't published to a registry. Drop the image name and set
pull_policy: build so the image is always built from the repository.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
docker-compose.yml now reads every host-specific value (paths, user,
port, network, time zone) from .env with the previous values as
defaults. .env.example documents them; .env stays out of Git.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>