Create volumes:
docker volume create xwiki-db_mariadb
docker volume create xwiki-permanent_directory
docker volume create xwiki-tomcat_webapps_dir


Create secrets:
docker secret create xwiki-db-username /data/containers/storage/secrets/xwiki_2_db_username.txt
docker secret create xwiki-db-password /data/containers/storage/secrets/xwiki_2_db_password.txt


Creat dump on old XWiki DB:
mysqldump -u root -p --all-databases --max_allowed_packet=512M > /data/dump<date>/xwiki.sql


Import dump on new XWiki DB:
docker exec -it xwiki-db /bin/bash
cd /var/lib/mysql/
chown -R mysql:mysql xwiki.sql
mariadb-dump --all-databases --add-drop-table -u root -p < /var/lib/mysql/dump<date>/xwiki.sql


Upgrade MariaDB:
mariadb-upgrade --force -u root -p


MariaDB secure installation:
mariadb-secure-installation
1. root Passwort eingeben aus KeePass
2. unix_socket authentication: n
3. change root password: y
4. remove anonymous users: y
5. disallow root login remotely: n
6. remove test database: y
7. reload privilege tables now: y


Change MariaDB users:
docker exec -it xwiki-db /bin/bash
mariadb -u root -p
use mysql
select * from user;
DROP USER 'xwiki'@'%';
CREATE USER 'usernamefromoldxwiki'@'%' IDENTIFIED BY 'Password';
GRANT ALL PRIVILEGES ON *.* TO usernamefromoldxwiki@'%';
FLUSH PRIVILEGES;


Create XWiki container:
docker run -d --restart always --net=xwiki-nw --name xwiki --secret xwiki-db-username --secret xwiki-db-password -v xwiki-permanent_directory:/usr/local/xwiki -v xwiki-tomcat_webapps_dir:/usr/local/tomcat -e DB_USER_FILE=/run/secrets/xwiki-db-username -e DB_PASSWORD_FILE=/run/secrets/xwiki-db-password -e DB_DATABASE=xwiki -e DB_HOST=xwiki-db --e JAVA_OPTS="-Dhttp.proxyHost=<ProxyIP> -Dhttp.proxyPort=<ProxyPort>" -p 8080:8080 xwiki:15.10.16-mariadb-tomcat


Stop XWiki
docker stop xwiki


Add custom config from old tomcat configs:
vi ../xwiki-tomcat_webapps_dir/../hibernate.cfg.xml
vi ../xwiki-tomcat_webapps_dir/../xwiki.cfg
vi ../xwiki-tomcat_webapps_dir/../xwiki.properties


Copy important folders from "Permanent Directory" from old XWiki server to docker volume "xwiki-permanent_directory" via WinSCP
Copy folders:
-extension
-store/file
-store/solr ???