Create a MongoDB cluster using Docker.
Create a MongoDB container with a designated user.
Inspect and redeploy the master certificate in OpenShift 3.11.
Replacing the router certificate in OpenShift 3.11 is easier than you think.
Define the environment variable to use specific Vagrantfile.
Docker services are not automatically rebalanced after events that affect Docker Swarm nodes, so you have to initiate this process yourself.
Create an Elasticsearch cluster using docker to learn how it behaves during specific operations.
Deploy Portainer stack inside the Docker Swarm cluster.
Install Kubernetes on LXD. Essential information to just get you started.