Articles tagged "tutorial"

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8 min readAdvanced

Platform Engineering with Backstage 2026: Build an Internal Developer Platform from Scratch

Backstage tutorial 2026: install Backstage, add a software catalog, create scaffold templates for new services, integrate GitHub Actions and Kubernetes plugins. Build an internal developer platform step by step.

9 min readIntermediate

Playwright Python Tutorial 2026: Web Scraping, Browser Automation, and pytest Testing

Playwright Python tutorial 2026: install playwright, scrape JavaScript-rendered pages, automate browser actions, write pytest tests, intercept network requests, run headless in Docker. Beats Selenium in every benchmark.

11 min readIntermediate

Polars Python Tutorial 2026: Faster DataFrames with LazyFrames, Expressions, and pandas Migration

Polars Python tutorial 2026: install Polars, use LazyFrames for out-of-core data, write expressions, groupby/join/filter operations, and migrate from pandas. 5-50x faster than pandas. Real benchmarks included.

8 min readIntermediate

SigNoz and OpenTelemetry Python 2026: Self-Host Distributed Tracing and Logs (Datadog Alternative)

SigNoz tutorial 2026: install SigNoz with Docker Compose, auto-instrument a FastAPI app with OpenTelemetry, view traces and logs in one UI, and cut observability costs vs Datadog. Step-by-step with Python.

8 min readIntermediate

TypeScript for JavaScript Developers 2026: From Types to a Typed REST API

TypeScript tutorial for JavaScript developers 2026: type annotations, interfaces vs types, generics, tsconfig.json strict mode, and build a typed Express REST API. Node.js 22 runs .ts natively.

9 min readIntermediate

Vibe Coding 2026: Build a SaaS with Claude Code Without Writing Most of the Code

Vibe coding tutorial 2026: use Claude Code to build a real SaaS MVP — FastAPI backend, React frontend, Stripe payments, and Postgres — in hours instead of days. Includes prompt engineering tips and when to intervene manually.

9 min readAdvanced

Zero Trust Architecture for Developers 2026: mTLS, Short-Lived JWTs, Vault, and Network Policies

Zero Trust Architecture tutorial for developers 2026: implement mTLS between microservices with cert-manager, issue short-lived JWTs with HashiCorp Vault, enforce Kubernetes NetworkPolicy, and replace your VPN. Open-source tools only.