Add Kubeval #79

Author: ondrejsika

README.md

@@ -293,6 +293,47 @@ kubectl explain pod
 kubectl explain pod.spec
 ```
 
+### Kubeval
+
+- Github: <https://github.com/instrumenta/kubeval>
+- Homepage: <https://kubeval.instrumenta.dev>
+
+#### Install
+
+Install instructions: <https://kubeval.instrumenta.dev/installation/>
+
+Linux
+
+```
+wget https://github.com/instrumenta/kubeval/releases/latest/download/kubeval-linux-amd64.tar.gz
+tar xf kubeval-linux-amd64.tar.gz
+sudo cp kubeval /usr/local/bin
+```
+
+Mac
+
+```
+brew tap instrumenta/instrumenta
+brew install kubeval
+```
+
+#### Usage
+
+```
+kubeval <file>
+kubeval --strict <file>
+```
+
+Example
+
+```
+kubeval 01_pod.yml
+kubeval --strict 01_pod.yml
+
+# Validate all Kubernetes YAMLs
+./kubeval.sh
+```
+
 ### Get Nodes
 
 ```

kubeval.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+ls *.yml | grep -v 'values.yml$' | xargs kubeval --strict