Configure docker data root on ess for uod deployment

Docker_Config_UoD_ESS.md

@@ -0,0 +1,57 @@
+UoD Deployment Note
+===================
+For deployments to UoD only, mount docker data root folder on ESS, use the followings instructions and update the docker configuration before deployment.
+
+This configuration change is not required for deployments to other environments.
+
+Instructions
+------------
+
+* Opens a terminal session as the root
+
+      sudo su
+
+* Create the virtual disk (40 GB, it can be increased it in the future if needed)
+
+      dd if=/dev/zero of=/uod/idr/scratch/docker-storage.img bs=1G count= 40
+
+* Format the disk
+
+      mkfs.xfs /uod/idr/scratch/docker-storage.img
+
+* Create a directory to act as a mount point and bind the virtual drive to it
+
+      mkdir -p /var/lib/docker-xfs
+      mount -o loop,pquota /uod/idr/scratch/docker-storage.img /var/lib/docker-xfs
+
+* Mount the virtual disk when machine is restarted
+
+      vi /etc/fstab
+
+    Add this line by the end of the file
+
+        /uod/idr/scratch/docker-storage.img /var/lib/docker-xfs xfs loop,defaults 0 0
+
+* Check it
+
+      df -h /var/lib/docker-xfs
+
+* Stop the docker service
+
+      systemctl stop docker
+
+* Edit the following file to configure the docker to use the mounted folder for data root 
+
+      vi /etc/docker/daemon.json
+
+   Add the following contents 
+
+        {
+          "data-root": "/var/lib/docker-xfs",
+          "storage-driver": "overlay2"
+        }
+
+
+* Start the docker service 
+
+      systemctl start docker 

README.md

@@ -20,6 +20,10 @@ Devspace code depends on the following repositories:
 
 # Installation
 
+This application includes UoD-specific UoD deployment configuration.
+
+Please refer to [this file ](Docker_Config_UoD_ESS.md) before deploying.
+
 The following instructions explain how to deploy a devspace on a Docker host.
 
 *   Log into the Docker host using ssh