Update readme

README.md

@@ -1,2 +1,27 @@
-# Kubernetes cluster setup
+# Kubernetes NixOps cluster setup
+
+
+## Prerequisites
+
+1. Install n basic nodes (node-1, ..., node-n) running nixos.
+
+``sh
+git submodule init
+git submodule update
+``
+
+
+## Installation
+
+``sh
+cd clusters
+cp -r template cluster-1
+cd cluster-1
+../../bin/initca.sh # generates the cluster wide CA certificate
+for i in node-1 node-2 node-3; do
+  scp $i:/etc/nixos/hardware-confifuration.nix $i.nix
+done
+vi default.nix # add nodes and ip:s, etc.
+../../bin/deploy.sh cluster-1
+``