Removed references to docker-machine in Swarm guide (#4502)

docs/orchestration/docker-swarm/README.md

@@ -10,19 +10,20 @@ As of [Docker Engine v1.13.0](https://blog.docker.com/2017/01/whats-new-in-docke
 * Docker engine v1.13.0 running on a cluster of [networked host machines](https://docs.docker.com/engine/swarm/swarm-tutorial/#/three-networked-host-machines).
 
 ## 2. Create a Swarm
-
-SSH into the machine supposed to serve as Swarm manager. If the machine is named `manager`, you can SSH by
+Create a swarm on the manager node by running
 
 ```shell
-docker-machine ssh manager
+docker swarm init --advertise-addr <MANAGER-IP>
 ```
-After logging in to the designated manager node, create the Swarm by
+Once the swarm is initialized, you'll see the below response. 
 
 ```shell
-docker swarm init --advertise-addr <MANAGER-IP>
+docker swarm join \
+  --token  SWMTKN-1-49nj1cmql0jkz5s954yi3oex3nedyz0fb0xx14ie39trti4wxv-8vxv8rssmk743ojnwacrr2e7c \
+  192.168.99.100:2377
 ```
 
-After the manager is up, [add worker nodes](https://docs.docker.com/engine/swarm/swarm-tutorial/add-nodes/) to the Swarm. Find detailed steps to create the Swarm on [Docker documentation site](https://docs.docker.com/engine/swarm/swarm-tutorial/create-swarm/).
+You can now [add worker nodes](https://docs.docker.com/engine/swarm/swarm-tutorial/add-nodes/) to the swarm by running the above command. Find detailed steps to create the swarm on [Docker documentation site](https://docs.docker.com/engine/swarm/swarm-tutorial/create-swarm/).
 
 ## 3. Create Docker secrets for Minio