Look at the examples in game-archive, you should put your node module that export a submitter with the game configuration in the game folder.
The package.json and the other module files should be directly inside the game folder:
- game/package.json
- game/index.js
- game/...
After that just use docker-compose up -d and you are ready to go.
https://github.com/DestructiveVoice/DestructiveFarm/blob/master/docs/en/farm_client.md