Tutorials
Step-by-step technical guides on Docker, Linux, Python, Go, and more.
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Next.js 15 Full-Stack App 2026: App Router, Prisma, NextAuth, and Vercel
Build a production full-stack app with Next.js 15 in 2026. Use the App Router, React Server Components, server actions, Prisma ORM, NextAuth.js authentication, and deploy to Vercel.
Platform Engineering with Backstage 2026: Build Your Internal Developer Portal
Build an Internal Developer Portal with Backstage in 2026. Set up the Software Catalog, TechDocs, scaffolder templates, and plugins to improve developer experience — Gartner says 80% of engineering orgs will have one by 2027.
Ruff Python Linter 2026: Replace flake8, isort, and black with One Tool
Ruff is the fastest Python linter in 2026 — 10-100x faster than flake8. Learn to install, configure, and integrate Ruff into your CI/CD pipeline replacing flake8, isort, black, and pydocstyle.
Vibe Coding a SaaS with Claude Code 2026: From Idea to Production
Learn vibe coding in 2026 — AI-assisted development where 46% of code is AI-generated. Build a real SaaS product with Claude Code: architecture decisions, iteration workflow, quality control, and production deployment.
Bash Scripting for DevOps 2026: 5 Production Scripts with Error Handling and Tests
Bash scripting for DevOps engineers: 5 production-ready scripts for log rotation, HTTP health checks, PostgreSQL backup, Docker deploy, and secret rotation — with error handling, ShellCheck, and bats tests.
Django REST Framework Tutorial 2026: JWT Auth, Permissions, Filtering, and Tests
Django REST Framework tutorial 2026: build a production API with JWT authentication (SimpleJWT), object-level permissions, DjangoFilterBackend filtering, pagination, and pytest-django tests.
Docker Compose v2 Tutorial 2026: From Local Dev to Production with Profiles, Health Checks, and Secrets
Docker Compose v2 tutorial 2026: compose.yaml structure, health checks, profiles for dev/staging/prod, secrets management, named volumes, depends_on with conditions, and production patterns.
FastAPI Tutorial 2026: Build a Production REST API with PostgreSQL, JWT Auth, and Docker
FastAPI tutorial 2026: build a production REST API with async PostgreSQL (SQLAlchemy 2.0), JWT authentication, Pydantic v2 validation, Alembic migrations, and Docker Compose deployment.
Git Rebase vs Merge vs Squash: When to Use Each (2026 Guide)
Git rebase vs merge vs squash explained: when each strategy produces a better commit history, how to do interactive rebase, how to fix a botched rebase, and team workflow recommendations.
GitHub CLI (gh) Tutorial 2026: Replace Your Browser Workflow from the Terminal
Complete GitHub CLI (gh) tutorial 2026: manage issues, create and review PRs, trigger GitHub Actions, create releases, build custom aliases, and use gh in CI/CD scripts — full developer workflow from the terminal.