How to deploy application using Source to Image (S2I) in OpenShift?

Objective

• Deploy Node JS Application using S2I
• Update code
• Rebuild Deployment

Step 1: Set up OpenShift environment

Go to Katacoda.com & click on start scenario

Step 2: Login with developer user

oc login -u <USER_NAME> -p <USER_PASSWORD> <SERVER_URL>

Step 3: Create project my-project

oc new-project my-project

Step 4: Deploy nodejs application using s2i

oc new-app -i nodejs:8 https://github.com/sagar-jadhav/node-hello --name nodejs -l app=demo

Step 5: List pods

oc get pods --watch

Step 6: List all resources

oc get all -l app=demo

Step 7: Create route

oc expose service nodejs

Step 8: List route

oc get route

Step 9: Browse application

From browser, Browse <ROUTE_URL>

Step 10: Clone repository

git clone https://github.com/sagar-jadhav/node-hello

Step 11: Update code

Update "Hello World !!" string in index.js

Step 12: Rebuild deployment

oc start-build nodejs --from-dir=./node-hello/

oc get pods --watch

Step 13: Browse application

From browser, Browse <ROUTE_URL>