Articles tagged "devops"
Page 3 of 5
Redis Tutorial for Python Developers 2026: Caching, Rate Limiting, Pub/Sub, and Streams
Redis tutorial for Python developers 2026: API response caching with cache invalidation, token bucket rate limiter, pub/sub for real-time notifications, and Redis Streams for event sourcing — with redis-py and aioredis.
Terraform Tutorial 2026: Deploy AWS Infrastructure for Python Apps — VPC, EC2, RDS, S3
Terraform tutorial 2026: deploy a full AWS stack for Python apps — VPC with public/private subnets, EC2, RDS PostgreSQL, S3, modules, remote state in S3, and estimated monthly cost.
tmux Tutorial 2026: From Zero to Productive with Sessions, Config, and Neovim Integration
Complete tmux tutorial 2026: sessions, windows, panes, full .tmux.conf config, automation startup script, SSH persistence, neovim integration with vim-tmux-navigator, and tpm plugins.
Ansible Roles and Galaxy: Modular Playbooks for Production (2026)
Ansible roles tutorial 2026. Create roles with tasks, templates, handlers, and defaults. Use Ansible Galaxy community roles, pin versions in requirements.yml, and test with Molecule + Docker.
Docker Multi-Stage Builds: From 1.2GB to Production-Ready Images (2026)
Docker multi-stage builds tutorial 2026. Reduce Python images from 1.2GB to 120MB, Go binaries to 5MB with FROM scratch. Size comparison table, cache optimization, and GitHub Actions integration.
GitHub Actions CI/CD: Python + Docker + VPS Deployment (2026)
Complete GitHub Actions CI/CD tutorial 2026. Test Python, build Docker image, push to GHCR, deploy to VPS via SSH. Includes dependency caching, OIDC secrets, matrix builds, and local testing with act.
Kubernetes for Beginners: First Deployment with kind (No Cloud, Free, 2026)
Kubernetes tutorial for beginners 2026. Use kind to run a local K8s cluster with Docker — no cloud account, no cost. Covers Pods, Deployments, Services, ConfigMaps, Secrets, and HPA.
OpenTofu vs Terraform 2026: Migration Guide and Feature Comparison
OpenTofu vs Terraform in 2026. BSL vs MPL 2.0 license, state encryption, CNCF backing, and step-by-step migration guide. Boeing, Capital One, AMD run OpenTofu in production.
Prometheus + Grafana: Linux Server Monitoring from Scratch (2026)
Set up Prometheus 3.10, Node Exporter 1.10, and Grafana 12.4 on Linux from scratch. Import dashboard 1860, write PromQL alerts, configure Alertmanager for Slack and email notifications.
uv: The Python Package Manager That Replaces pip, pyenv, and Poetry (2026)
uv replaces pip, pyenv, virtualenv, poetry, and pipx in one Rust-powered tool. 10-100x faster than pip. Complete tutorial: install, manage Python versions, lock files, CI/CD, PEP 723 scripts.