So there's a million ways to do things and what works for you works for you. For me, putting all services ina single compose file only has downsides.

• Difficult to search, I guess searching for a name and then just editing the file works - but doesn't it become a mess fairly quickly? I sometimes struggle with just a regular yaml file lmao
• ^also missing an overview of what you're exactly running - docker ps -a or ctop or whatever works - but with an ls -la I clearly see whats on my system
• How do you update containers? I use a 'docker compose pull' to update the images which are tagged with latest.
• I use volume mounts for config and data. A config dir inside the container is mounted like './config:/app/data/config' - works pretty neatly if each compose file is in its own named directory
• Turning services on/off is just going into the directory and saying docker compose up -d / or down - in a huge compose file don't you have to comment the service out or something?