https://docs.docker.com/install/
Default repository of docker images
Hello World example
https://hub.docker.com/_/hello-world/
docker run hello-world
docker run -d --name devops-mysql -e MYSQL_ROOT_PASSWORD=FunnyMonkeyCow mysql:5.7
docker run -d --name devops-wordpress -p 8080:80 --link devops-mysql:mysql -e WORDPRESS_DB_PASSWORD=FunnyMonkeyCow wordpress
docker rm -f devops-mysql devops-wordpress
docker-compose up -d
docker-compose rm --stop