DevOps & Infrastructure

A comprehensive guide to DevOps tools, containerization, and infrastructure automation.

📚 Topics

Containerization & Orchestration

File	Description
Docker	Container basics, Dockerfile, images, volumes, networking

Infrastructure as Code

File	Description
Ansible	Agentless automation, configuration management, playbooks
Terraform vs Ansible vs Kubernetes	Comparison of IaC and orchestration tools

Web Servers & Reverse Proxy

File	Description
Nginx	Web server, reverse proxy, load balancing, SSL setup

Linux & System Administration

File	Description
Linux	Core concepts, file system, commands, permissions
Systemd	Init system, service management, unit files
SSH	Secure remote access, key auth, tunneling, config
Zsh Setup	Zsh installation, Oh My Zsh, plugins, aliases

🎯 Key Concepts

DevOps Principles

Continuous Integration (CI) - Automated building and testing
Continuous Delivery (CD) - Automated deployment pipelines
Infrastructure as Code - Managing infrastructure through code
Monitoring & Logging - Observability and alerting
Microservices - Decoupled, scalable architecture

🔄 DevOps Pipeline

flowchart LR Code["💻 Code
(Git / GitHub)"] --> Build["📦 Build
(Docker / CI)"] Build --> Test["🧪 Test
(Automated Suites)"] Test --> Deploy["🚀 Deploy
(Ansible / K8s)"] Deploy --> Monitor["📊 Monitor
(Prometheus / Grafana)"] Monitor -.->|"Feedback Loop"| Code