Introduction to DevOps

Day 1 – DevOps Fundamentals

Module 1: What is DevOps?

• The evolution of DevOps
• DevOps vs. traditional IT
• Core principles: Collaboration, automation, measurement, sharing (CAMS)
• Benefits of DevOps for businesses and teams

Module 2: DevOps Culture and Collaboration

• Breaking down silos between Dev and Ops
• Agile and Lean methodologies in DevOps
• Communication and collaboration best practices
• The role of Site Reliability Engineering (SRE)

Module 3: Continuous Integration (CI) Essentials

• What is CI, and why is it important?
• Setting up a CI pipeline
• Common CI tools: Jenkins, GitHub Actions, GitLab CI, CircleCI
• Hands-on: Automating builds and tests in a CI/CD pipeline

Module 4: Continuous Delivery (CD) & Deployment

• What is Continuous Delivery vs. Continuous Deployment?
• Deployment strategies (blue-green, canary, rolling updates)
• Common CD tools: ArgoCD, Spinnaker, GitOps
• Hands-on: Deploying a sample application

Module 5: Version Control and Git Best Practices

• Why version control is essential in DevOps
• Git workflows: Git Flow, GitHub Flow, Trunk-Based Development
• Hands-on: Branching, merging, and managing pull requests

Day 2 – DevOps Tooling & Infrastructure as Code (IaC)

Module 6: Infrastructure as Code (IaC) Fundamentals

• What is Infrastructure as Code?
• Declarative vs. imperative approaches
• Common IaC tools: Terraform, Ansible, CloudFormation
• Hands-on: Writing and applying basic Terraform configurations

Module 7: Configuration Management & Automation

• The need for automation in DevOps
• Tools overview: Ansible, Puppet, Chef
• Hands-on: Automating configurations with Ansible

Module 8: Monitoring, Logging, and Observability

• Why monitoring is crucial for DevOps
• Metrics, logs, and traces
• Tools overview: Prometheus, Grafana, ELK Stack, Datadog
• Hands-on: Setting up basic monitoring for an application

Module 9: Security in DevOps (DevSecOps)

• The importance of security in DevOps
• Shifting left: Integrating security into CI/CD
• Tools overview: Snyk, Trivy, OWASP ZAP
• Hands-on: Scanning for vulnerabilities in a containerized app

Module 10: DevOps in the Cloud

• Cloud-native DevOps practices
• DevOps on AWS, Azure, and Google Cloud
• Serverless and Kubernetes in DevOps
• Hands-on: Deploying an app using cloud DevOps services

Hands-on Labs & Final Project

• Lab 1: Setting up a CI/CD pipeline
• Lab 2: Writing Terraform for cloud infrastructure
• Lab 3: Automating server configurations with Ansible
• Lab 4: Setting up monitoring and logging
• Final Project: Implementing a mini DevOps workflow for an application