Platform Engineering
Platform Engineering is the discipline of building Internal Developer Platforms (IDPs) - self-service infrastructure that lets developers provision environments, deploy applications, and manage infrastructure without involving the platform team for every request.
Why Platform Engineering?
Traditional DevOps: Central DevOps team becomes a bottleneck. 'I need a new environment' → Create ticket → Wait 3 days → DevOps team provisions manually → Developer continues. At 100 developers, DevOps team drowns in tickets. Platform Engineering: Build self-service tools. Developer runs one command → gets a complete environment with database, CI/CD, monitoring in 5 minutes. Platform team builds the golden path, not individual requests.
DevOps unifies development and operations in a continuous cycle
Platform Engineering Components
- Golden paths: Opinionated, pre-built templates for common use cases (Node.js API, Next.js web app, Python service)
- Self-service portals: Backstage (Spotify's IDP) - service catalog, scaffolding, documentation, API discovery
- Environment provisioning: Ephemeral environments per PR - developers get a full staging environment for their branch
- Internal CLIs: Company CLI tools that wrap complex infrastructure operations in simple commands
- Paved road: Making the right way the easy way - secure, production-ready defaults that developers don't configure manually
Backstage Internal Developer Portal
# Backstage - the open-source IDP by Spotify (now CNCF)
# Install:
npx @backstage/create-app@latest
# catalog-info.yaml - every service registers itself in Backstage
apiVersion: backstage.io/v1alpha1
kind: Component
metadata:
name: payment-service
description: Handles all payment processing
tags: [node, api, payments]
annotations:
github.com/project-slug: myorg/payment-service
backstage.io/techdocs-ref: dir:.
pagerduty.com/service-id: PXXXXXX
prometheus.io/alert: payment-service
links:
- url: https://grafana.company.com/d/payment
title: Grafana Dashboard
- url: https://wiki.company.com/payment-service
title: Documentation
spec:
type: service
lifecycle: production
owner: payments-team
system: checkout
dependsOn:
- resource:default/payments-database
- component:default/auth-service
---
# Software template - self-service service creation in Backstage
apiVersion: scaffolder.backstage.io/v1beta3
kind: Template
metadata:
name: nodejs-api-service
title: Node.js API Service
description: Creates a production-ready Node.js API with CI/CD, monitoring, and Kubernetes manifests
spec:
parameters:
- title: Service Details
properties:
name: { type: string, title: "Service Name" }
owner: { type: string, title: "Team Owner" }
description: { type: string, title: "Service Description" }
steps:
- id: fetch-template
action: fetch:template
input:
url: ./nodejs-api-template
values:
name: ${{ parameters.name }}
- id: create-github-repo
action: publish:github
input:
repoUrl: github.com?repo=${{ parameters.name }}&owner=myorg
- id: register
action: catalog:register
input:
repoContentsUrl: ${{ steps.create-github-repo.output.repoContentsUrl }}Quick Quiz
Tip
Tip
Practice Platform Engineering in small, isolated examples before integrating into larger projects. Breaking concepts into small experiments builds genuine understanding faster than reading alone.
Practice Task
Note
Practice Task - (1) Write a working example of Platform Engineering from scratch without looking at notes. (2) Modify it to handle an edge case (empty input, null value, or error state). (3) Share your solution in the Priygop community for feedback.
Common Mistake
Warning
A common mistake with Platform Engineering is skipping edge case testing - empty inputs, null values, and unexpected data types. Always validate boundary conditions to write robust, production-ready devops code.
Key Takeaways
- Platform Engineering is the discipline of building Internal Developer Platforms (IDPs) - self-service infrastructure that lets developers provision environments, deploy applications, and manage infrastructure without involving the platform team for every request.
- Golden paths: Opinionated, pre-built templates for common use cases (Node.js API, Next.js web app, Python service)
- Self-service portals: Backstage (Spotify's IDP) - service catalog, scaffolding, documentation, API discovery
- Environment provisioning: Ephemeral environments per PR - developers get a full staging environment for their branch