This will setup the Liferay Portal. You need to have a MySQL database available.
To build and run:
docker build -t liferay .
docker run -it -P -e DB_HOST=<mysql-db-host> -e DB_PORT=<mysql-db-port> -e DB_USER=<mysql-db-user> -e DB_PASS=<mysql-user-pass> -e DB_NAME=<mysql-db-name> liferay