Learn OpenShift

Template syntax

Templates, like any other OpenShift resources, can be created from a raw YAML or JSON definition. An example is as follows:

# cat mytemplate.yamlapiVersion: v1
kind: Template 
metadata:
  name: template1
objects: 
- apiVersion: v1
  kind: Pod
  metadata:
    name: app1
  spec:
    containers:
    - env:
      - name: SHOW_DATA
        value: ${SHOW_DATA} 
      image: example/appimage
      name: app1
      ports:
      - containerPort: 8080
        protocol: TCP
parameters: 
- description: Myapp configuration data
  name: SHOW_DATA
  required: true
labels: 
  mylabel: app1

The preceding example includes only one resource—a pod named app1. It also includes a parameter—SHOW_DATA. Parameters can be used to customize application deployment and accommodate all kinds of use cases.

Parameters can also ...