Learn Devops 101 | Foundations Course

Module 1: Introduction to DevOps

1. What is DevOps?
   • Principles and philosophy of DevOps.
   • Benefits of adopting DevOps in organizations.
2. DevOps Lifecycle
   • Overview of CI/CD (Continuous Integration/Continuous Deployment).
   • Key stages: Plan, Build, Test, Release, Deploy, Operate, and Monitor.

Module 2: Version Control Systems

1. Introduction to Git
   • Key concepts: Repositories, commits, branches, and merges.
   • Hands-on with Git basics: init, clone, add, commit, push, pull.
2. GitHub/GitLab
   • Collaborating on projects.
   • Managing pull requests and resolving merge conflicts.

Module 3: Continuous Integration (CI)

1. Understanding CI
   • Benefits of CI in software development.
   • Popular tools: Jenkins, GitHub Actions, CircleCI.
2. Hands-On with Jenkins
   • Installing and configuring Jenkins.
   • Creating a basic CI pipeline.

Module 4: Containerization with Docker

1. What is Docker?
   • Introduction to containers and Docker architecture.
   • Differences between VMs and containers.
2. Docker Basics
   • Creating and managing Docker containers.
   • Writing Dockerfiles and building images.
3. Docker Compose
   • Orchestrating multi-container applications.

Module 5: Configuration Management

1. Introduction to Configuration Management
   • Tools: Ansible, Puppet, Chef (focus on Ansible for simplicity).
2. Getting Started with Ansible
   • Writing playbooks to automate configuration.
   • Managing nodes with inventory files.

Module 6: Orchestration with Kubernetes

1. What is Kubernetes?
   • Core components: Pods, Nodes, Clusters.
   • Key concepts: Deployments, Services, Namespaces.
2. Hands-On Kubernetes
   • Setting up a local cluster with Minikube.
   • Deploying an application to Kubernetes.

Module 7: Monitoring and Logging

1. Importance of Monitoring
   • Overview of tools: Prometheus, Grafana, ELK Stack.
2. Implementing Monitoring
   • Visualizing metrics with Grafana.
   • Collecting logs with Elasticsearch and Kibana.

Module 8: Infrastructure as Code (IaC)

1. Introduction to IaC
   • Tools: Terraform, CloudFormation (focus on Terraform).
2. Getting Started with Terraform
   • Writing Terraform scripts to provision infrastructure.
   • Managing infrastructure changes.

Module 9: Security in DevOps

1. DevSecOps Overview
   • Integrating security into DevOps workflows.
2. Best Practices
   • Secrets management (e.g., HashiCorp Vault).
   • Security scanning with tools like Trivy or Aqua.

Module 10: Final Project and Next Steps

1. Capstone Project
   • Build and deploy a complete CI/CD pipeline.
   • Use tools like Git, Jenkins, Docker, Kubernetes, and Ansible.
2. Resources for Further Learning
   • Recommended books, courses, and certifications (AWS, Azure, Google Cloud DevOps Engineer).