Author: Pictalingo
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CI/CD Pipelines with GitHub Actions: Test, Build, and Deploy a Dockerized Web App (Hands-On)
If you’ve ever shipped a bug because you “forgot to run tests” or deployed the wrong build, a CI/CD pipeline is the fix. CI…
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Hands-On API Contract Testing with OpenAPI + Schemathesis (Catch Bugs Your Unit Tests Miss)
Most junior/mid devs learn API testing as “write a few happy-path tests.” That’s useful, but it leaves gaps: weird inputs, missing fields, edge-case query…
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Practical API Testing with Pytest + HTTPX: Realistic Integration Tests Without the Flakes
The examples assume you have an API already running (any stack is fine). If you don’t, you can still follow along by adapting endpoints…
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MySQL Query Optimization for Web Apps: From “Slow” to “Snappy” with EXPLAIN, Indexes, and Better Queries
We’ll use a realistic example: a product catalog with search, filtering, sorting, and pagination—exactly the kind of thing that can melt a database when…
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Cloudflare CDN Hands-On: Cache Rules, Instant Purge, and URL Rewrites for Faster Web Apps
Cloudflare can make a “normal” web app feel snappy by caching the right things at the edge (assets, images, sometimes even HTML) while keeping…
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FastAPI CRUD API with SQLAlchemy 2.0 (Async), Pydantic v2, and Real Tests
If you’re building a web API, “it runs locally” isn’t the finish line. You want predictable validation, clean database access, and tests that don’t…
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Laravel API Endpoints the “Production Way”: Form Requests, API Resources, and Policies (Hands-On)
If you’ve built a few Laravel APIs, you’ve probably shipped endpoints that work… but feel a bit messy: validation in controllers, inconsistent JSON, and…
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Build a Reusable Angular Form Component with ControlValueAccessor (That Works with Reactive Forms)
You’ll end with a component that feels native in forms—junior/mid dev superpower.
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Selenium Automation in Practice: Reliable UI Tests with Page Objects, Waits, and Useful Debug Artifacts
We’ll automate a common flow: log in, create an item, and verify it appears in a list.