Update docker-compose.yml
Update docker-compose.yml

Update docker-compose.yml with new values:
- swapping out php5.5 with php5.6-fpm (TODO: Change related php.ini and nginx files as needed for this)
- change mysql to mariadb:10
- added eventual domain name - note: change your hosts file on any machine to point to the host's IP address)
robertchristophersmith/magento-project