mysqld wont start

[Finkregh]

I just tried to build/start the container and mysql wont start :(

/var/log/mysql/error.log:
[...]
171116 13:35:00 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it.
171116 13:35:00 [ERROR] Can't open and lock privilege tables: Table 'mysql.servers' doesn't exist
171116 13:35:00 [Note] Server socket created on IP: '0.0.0.0'.
171116 13:35:00 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.user' doesn't exist
171116 13:35:01 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended