Custom documentation templates in Postman - Framework Patterns

Framework Mode - Custom documentation templates

Folder Structure for Postman Custom Documentation Templates

postman-project/
├── collections/
│   └── api-collection.json       # Your Postman API collection
├── environments/
│   └── dev.postman_environment.json
├── documentation-templates/
│   ├── custom-template.hbs       # Handlebars template for docs
│   └── assets/
│       ├── css/
│       └── images/
├── scripts/
│   └── generate-docs.js          # Script to generate docs using template
├── config/
│   └── config.json               # Config for environments, output paths
└── README.md

Test Framework Layers for Postman Custom Documentation Templates

• Collections Layer: Contains Postman API collections (.json) defining requests and tests.
• Template Layer: Custom Handlebars (.hbs) templates to format documentation output.
• Script Layer: Node.js scripts that load collections and templates, then generate HTML docs.
• Config Layer: JSON files to manage environment variables, output directories, and template options.
• Assets Layer: CSS and images used by documentation templates for styling and branding.

Configuration Patterns

• Environment Config: Use separate Postman environment files for different API environments (dev, staging, prod).
• Template Config: Store template options (like theme, logo path) in a JSON config file to keep scripts flexible.
• Output Paths: Define output folder paths in config to organize generated documentation versions.
• Script Parameters: Pass environment and template choices as command-line arguments to the generation script.

Test Reporting and CI/CD Integration

• Documentation Generation: Automate docs generation in CI pipelines using scripts that run on collection updates.
• Version Control: Store templates and scripts in Git to track changes and enable collaboration.
• Publish Docs: Upload generated HTML docs to a web server or documentation portal automatically after CI build.
• Validation: Include checks in CI to ensure collections and templates are valid before generating docs.

Best Practices for Custom Documentation Templates in Postman

• Keep Templates Simple: Use clear, readable Handlebars templates to make maintenance easy.
• Separate Content and Style: Use CSS files for styling, keep templates focused on structure and data.
• Use Versioning: Version your templates and collections to track changes and rollback if needed.
• Automate Generation: Integrate docs generation into CI to keep docs always up-to-date.
• Test Templates: Preview generated docs locally to catch formatting issues early.

Self Check

Where in this folder structure would you add a new CSS file to change the look of your documentation?

Key Result

Organize Postman collections, custom Handlebars templates, and generation scripts with clear config and assets folders for automated, maintainable API documentation.