What is OpenShift?
OpenShift is Red Hat’s platform-as-a-service (PaaS) product, built around a core of application containers powered by Docker, with orchestration and management provided by Kubernetes, on a foundation of Red Hat Enterprise Linux.
PaaS automates the hosting, configuration, deployment, and administration of application stacks in an elastic cloud environment. It gives app developers self-service access so they can easily deploy applications on demand.
Below example shows how to deploy a SpringBoot Java artifact into OpenShift via S2I .
Step 1: If VPN ( Virtual Private Network ) is needed to access OpenShift log into VPN. Else skip this step
Step 2: Sign into OpenShift url
Step 3: Connect to OpenShift CLI.
Note: If proxy is involved, NO_PROXY must be set in order to connect from OpenShift CLI. Windows users can set it in .bash_rc and MAC users in ~/.profile
Openshift CLI config file resides in /Users/<user>/.kube/config .
Step 4: Copy Login Command from OpenShift console and paste it in CLI.
oc login https://api.starter.us-west-1.openshift.com –token=bkG0ec5vp1234556778ffss
Step 5: Create a New Project using the below command
oc new-project curtis-tech
Step 6: From open shift console , browse catalog and select “Red Hat OpenJDK 8” to build and deploy java from git repository. We are following the S2I ( Source to Image Concept)
When you hit the create button, it will trigger a build under Builds->Build
When the build is successfully complete, check Applications->Pod ( Log tab to see if the springboot application is started )
Step 7: Click on Applications->Route and hit on the url. You will see the below
Now you have successfully deployed your application on OpenShift!