Configure Docker Swarm for TLS In this procedure you create a two-node Swarm cluster, a Docker Engine CLI, a Swarm Manager, and a Certificate Authority as shown below. All the Docker Engine hosts (client, swarm, node1, and node2) have a copy of the CA’s certificate as well as their own key-pair signed by the CA. You will complete the following steps in this procedure: Step 1: Set up the prerequisites Step 2: Create a Certificate Authority (CA) server Step 3: Create and sign keys Step 4: Instal