Learn OPENSHIFT-TEMPLATES with Real Code Examples

Install OpenShift CLI (`oc`) and/or access OpenShift web console

Create or access a project/namespace in OpenShift

Create template YAML/JSON file with required resources

Define parameters for dynamic values

Validate template using `oc process --parameters`

Install OpenShift CLI (`oc`) or use web console

Login to OpenShift project

Ensure cluster has required resources (images, secrets)

Prepare template YAML/JSON files

Test instantiation in development environment

template.yaml / template.json - main template file

params.env - optional parameter file

README.md - usage instructions

CI/CD pipeline scripts - automate instantiation

Labels and annotations embedded in template

oc create -f template.yaml - create resources

oc process -f template.yaml - render with parameters

oc process -f template.yaml | oc apply -f - - instantiate

oc get templates - list templates

oc describe template <name> - show template details

UTF-8 support in YAML/JSON

Parameter values support multiple languages

Web console displays descriptions in user locale

Documentation available in multiple languages

Community translations possible

Accessible via CLI and web console

Reusable across projects and clusters

Cross-platform via OpenShift CLI

Integrates with CI/CD pipelines

Parameter files support automation

Web Console prompts for parameters

CLI outputs for object creation

Structured YAML/JSON for readability

Annotations provide metadata for display

Template descriptions for clarity

Templates define desired object state

Objects are created or updated to match template parameters

Supports repeatable deployments across projects

Parameter overrides allow environment-specific state

Templates themselves are immutable unless updated

Parameters for dynamic values

Secrets for sensitive info

ConfigMaps for configuration data

Labels and annotations for metadata

Versioned template files in Git