3.5. Deploying the back-end application

Prerequisites

• You have deployed the parksmap front-end application.

Procedure

• Create the nationalparks back-end application by running the following command:

  $ oc new-app python~https://github.com/openshift-roadshow/nationalparks-py.git --name nationalparks -l 'app=national-parks-app,component=nationalparks,role=backend,app.kubernetes.io/part-of=national-parks-app,app.kubernetes.io/name=python' --allow-missing-images=true

  Example output

  --> Found image 9531750 (2 weeks old) in image stream "openshift/python" under tag "3.11-ubi8" for "python"
  
      Python 3.11
      -----------
  ...
  
  --> Creating resources with label app=national-parks-app,app.kubernetes.io/name=python,app.kubernetes.io/part-of=national-parks-app,component=nationalparks,role=backend ...
      imagestream.image.openshift.io "nationalparks" created
      buildconfig.build.openshift.io "nationalparks" created
      deployment.apps "nationalparks" created
      service "nationalparks" created
  --> Success
      Build scheduled, use 'oc logs -f buildconfig/nationalparks' to track its progress.
      Application is not exposed. You can expose services to the outside world by executing one or more of the commands below:
       'oc expose service/nationalparks'
      Run 'oc status' to view your app.