added conclusion

content/posts/building-a-docker-swarm-with-pis.md

@@ -142,7 +142,7 @@ self explanitory. So go ahead and assemble the cluster 🛠
 * plug in ethernet cables
 
 **Now allow the Pis to boot for a few minutes so it can resize the
-file system**
+
 
 ### **Sort out the Network bits**
 This is the easy part, there are two methods you can use to set a
@@ -443,3 +443,11 @@ now we need to deploy the registry to the stack like we did with portainer
 
 and we should have a private registry setup that we can use to push our
 custom docker images to.
+
+## **Conclusion**
+Well done, you have successfully setup a docker swarm cluster on a bunch
+of Pis and along the way you managed to learn a bit about SSH, Ansible,
+docker-compose, yaml and networking on Pis. The next step would be to
+setup a few containers but I'll leave that to you, dont be affraid to
+play around and even ruin the cluster, you can always rebuild it so have
+fun 😊