Setting Up Multi-Container Applications in OpenShift

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Setting Up Multi-Container Applications in OpenShift

For this lab, we will be creating an application that has multiple containers. You will learn to work with templates to create a multi-container application. Due to limitations in the A Cloud Guru Cloud Playground environment, we are unable to provide a hands-on experience for this lab. 1. To complete this lab, you must first register for a Red Hat Developer login on the ***[Red Hat login page](https://developers.redhat.com/login)***. 2. Once registered, you may complete the lab steps using ***[Red Hat's CodeReady Containers](https://cloud.redhat.com/openshift/install/crc/installer-provisioned)*** or the ***[Red Hat-provided OpenShift sandbox](https://developers.redhat.com/products/codeready-containers/overview)***. Solutions for using CodeReady Containers and the Red Hat OpenShift sandbox are available in this lab. *This lab is not approved or sponsored by Red Hat.*

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Lab Info

Level

Intermediate

Last updated

Sep 19, 2025

Duration

30m

Challenge

Log In to the Cluster and Create a New Project
1. Log in to the OpenShift cluster using oc login and/or the web UI.
2. Create a new project called multi-test with a display name of Multi-Container Test (skip if using Red Hat OpenShift sandbox).
Challenge

Download the OpenShift Template and Publish It
1. Download the template file from this Git repo (here) and save it as a file named multi_test.yaml.
2. Publish this template to your local project.
Challenge

Process the Template and Create the Application
1. Process the template with the following custom parameters and then create the application using the processed template.
NAME=fruit-stand

DATABASE_NAME=fruit_stand

DATABASE_USER=guru

DATABASE_PASSWORD=badpass

DATABASE_ADMIN_PASSWORD=badidea
Challenge

Verify the Application Is Working
1. Open the application in a web browser and add a test entry into the inventory page.

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