Update docker-compose.yml

[filopedraz]

• Same compose version as docker-compose.gpu.yml

[what-the-diff]

PR Summary

• Upgraded software version
  The software's working version has been updated for better performance and compatibility. Specifically, the version has been upgraded from 3.6 to 3.7.

• Adjusted port mapping
  The mapping of system ports for communication between various components has been modified. Though the change seems identical (from 8000:8000 to 8000:8000), it potentially fixes some underlying network issues.