Renamed main.yml and updated README

roles/keystone/files/Dockerfile

@@ -4,6 +4,7 @@
 # run keystone-manage db_sync from this docker first:
 # $ docker run hpc/keystone --add-host=mariadb:<ip mariadb> "keystone-manage db_sync"
 
+# wellicht ubuntu 16.04 of anders 18.04
 FROM ubuntu:zesty
 
 RUN apt-get update
@@ -11,6 +12,7 @@ RUN apt-get update
 RUN apt-get install --yes keystone
 
 # set admin token TODO: make this a secret
+# in volume of met env
 ADD keystone.conf /etc/keystone/keystone.conf
 
 RUN mkdir /etc/keystone/fernet-keys

roles/mariadb/files/mysql.service

@@ -8,9 +8,9 @@ TimeoutStartSec=0
 Restart=always
 ExecStartPre=-/usr/bin/docker stop %n
 ExecStartPre=-/usr/bin/docker rm %n
-ExecStartPre=/usr/bin/docker pull mariadb:10.1.22
+ExecStartPre=/usr/bin/docker pull mariadb:10.2
 ExecStart=/usr/bin/docker run  -p 3306:3306 --name %n -v /srv/lib/mysql:/var/lib/mysql \
- -e MYSQL_ROOT_PASSWORD=geheim mariadb:10.1.22
+ -e MYSQL_ROOT_PASSWORD=geheim mariadb:10.2
  
 [Install]
 WantedBy=multi-user.target