DevOps

Introduction

DevOps is a set of practices that combines software development (Dev) and IT operations (Ops) to shorten the development lifecycle.

Key Principles

• Continuous Integration (CI)
• Continuous Delivery/Deployment (CD)
• Infrastructure as Code (IaC)
• Monitoring and Logging
• Collaboration and Communication

CI/CD Pipeline

Code → Build → Test → Deploy → Monitor
  ↑_________________________________↓

Popular Tools

Version Control

• Git, GitHub, GitLab, Bitbucket

CI/CD

• Jenkins, GitHub Actions, GitLab CI, CircleCI

Configuration Management

• Ansible, Puppet, Chef

Infrastructure as Code

• Terraform, CloudFormation, Pulumi

Monitoring

• Prometheus, Grafana, Datadog, New Relic

Best Practices

• Automate everything possible
• Use version control for all code
• Implement comprehensive testing
• Monitor and measure continuously
• Foster a blameless culture