[change] Remove extra spaces and set nginx daemon to off.
[fix] Minor problems in nginx conf file.
[add] Supervise nginx process with supervisor.
[use] Supervisor conf to docker image.
[add] nginx install params.
[add] script to install mariabd tables and start it.
[change] Supervisor to use mariadb shellscript.
[improve] Mariadb provisioning and change needed confs.