minikube technical screen (Chandra kothapally)

Dockerfile

@@ -0,0 +1,7 @@
+# https://docs.docker.com/engine/reference/builder/
+
+# base this image on the PHP image that comes with Apache https://hub.docker.com/_/php/
+FROM httpd:latest
+
+# Run Apache
+ADD test-app/ /usr/local/apache2/htdocs/

README.md

@@ -1,21 +1,42 @@
-# webdeploy
-The purpose of this repo is to house the Code to be used for technical screen of SRE candidates
+# Steps to Re-produce stateless application deployment and rolling updates. #
 
-## 
 
-1. Demonstrate three instances of this website running
-2. Demonstrate procedures for deploying an updated change to the instances from #1
-3. Provide code as a pull request to this repo
-4. Solutions can be in the language of your choice
-5. Technology of your choice
+## Create a Dockerfile to add the frontend assets and build the image from root directory ##
 
+ docker build .
 
+## Create a docker private or local registry to push the image updates ##
 
-### Some Suggestions
+## Login to docker registry to authenticate yourself ##
 
-We are looking to see what you are doing, We are not going to do anything to trick you but put your best foot forward. Demonstrate a working demo, feel free to exhibit your skills.
+docker login (prompts for username and password)
 
+## Tag and push the image to the registry ##
 
-###
+docker tag $IMAGEID repo/image:tag
+docker push repo/image:tag
+sadxacacaddc
+## To run a kubernetes cluster with the container pushed to local or private registry ##
 
-[How to submit a pull request](https://help.github.com/articles/creating-a-pull-request)
+kubectl run $container --image=repo/image:tag --port=80
+
+## To Expose as a service ##
+
+kubectl expose deployment $container --type=NodePort
+
+## To open the exposed endpoint in the browser ##
+
+  minikube service $container
+ (This will open the html page on the browser)
+
+## View the kubernetes dashboard via ##
+
+minikube dashboard
+
+## For any rolling updates, Update the image to latest version and push it to registry again ##
+kubectl set image deployment/$container $container =repo/image:tag
+(Leveraging rolling updates will benefit in Zero downtime)
+
+## To achieve a multi instance pod, we can scale the deployment to the number desired. ##
+
+![alt text](https://github.com/chandrakothapally/webdeploy/blob/master/scale_deployment.png)

ml-common/test.yml

@@ -0,0 +1 @@
+

test-app/index.html

@@ -6,7 +6,8 @@
 
   <title>An HTML5 Test Page</title>
   <meta name="description" content="An HTML5 Test page">
-  <meta name="author" content="Watchmen">
+  <meta name="author" content="Watchmen1">
+  <h1> Updated pod</h1>
 
   <link rel="stylesheet" href="css/styles.css?v=1.0">
 
@@ -16,4 +17,4 @@
   <script src="js/scripts.js"></script>
   <img src="images/watchmen-logo-slice-600x200.jpg"/>
 </body>
-</html>
+</html>