Development

Essential Git workflows for DevOps: branching strategies, interactive rebasing, cherry-picking, bisect debugging, and CI/CD integration.

Build a production REST API with TypeScript and Express. Complete tutorial covering project setup, routing, middleware, and deployment.

Set up reproducible local development environments with Docker Compose. Multi-service stacks, hot reload, database seeding, and team workflows.

Dev Containers standardize development environments using Docker. Learn how to set up devcontainers for your team with VS Code, GitHub Codespaces, and custom.

Master Interaction to Next Paint (INP), the Core Web Vital that replaced FID. How to measure, diagnose, and fix poor INP scores.

Mise (formerly rtx) manages tool versions per project. Replace nvm, pyenv, rbenv, and tfenv with one tool. Learn how to set up mise for polyglot development.

Renovate automatically creates pull requests for dependency updates across npm, pip, Docker, Terraform, and Helm. Learn how to configure Renovate for safe.

Choose the right Git branching strategy. Compare GitFlow, GitHub Flow, and trunk-based development for different team sizes and needs.

Handle environment variables correctly. Dotenv files, Docker secrets, Kubernetes ConfigMaps, twelve-factor methodology, and security pitfalls.

Learn how to build production-ready REST APIs with Node.js and Express — routing, middleware, error handling, and best practices.

Get started with Redis. Data types, caching patterns, pub/sub messaging, session management, rate limiting, and deployment practices.

Python for DevOps automation. HTTP API clients, file processing, AWS boto3, subprocess management, and CLI tools for infrastructure.

Git rebase vs merge with practical examples. When to use each, interactive rebase workflows, squash commits, and team conventions.