Course Content

1. Introduction to DevOps
• Objective: To provide a foundational understanding of DevOps, its goals, cultural shift, and
the toolsets used.
• Topics Covered:

1.What is DevOps?
– Definition, History, and Evolution of DevOps.
– Key DevOps Goals: Speed, Quality, and Efficiency.

2.DevOps Culture:
– Collaboration between Development and Operations teams.
– Importance of Communication, Shared Responsibility, and Continuous Feedback.

3.Key DevOps Practices:
– Continuous Integration (CI): Definition, Importance, and Tools.
– Continuous Delivery (CD): Concepts, Deployment Pipelines, and Automation.
– Continuous Deployment: Fully automated deployments and benefits.

4.Overview of DevOps Toolchain:
– Categories of Tools: CI/CD, Configuration Management, Monitoring, Containerization.
– Introduction to popular tools: Jenkins, Docker, Kubernetes, Terraform, Ansible.

• Hands-On Lab:

1.Objective: Set up a basic CI/CD environment.
2.Activities:
-Installing Jenkins on a local machine or cloud instance.
-Basic configuration of Jenkins (e.g., creating a simple build job).
– Overview of Jenkins interface and plugins.

2. Version Control and Continuous Integration (CI)
• Objective: To understand version control systems and how to implement continuous integration in a DevOps pipeline.
• Topics Covered: 

1.Version Control Systems (VCS):
– Introduction to VCS: Importance and Benefits.
– Git Fundamentals: Repositories, Branching, Merging, and Workflows.
– Using GitHub/GitLab for collaboration and code management.

2.Continuous Integration (CI):
– CI Concepts: Automated Builds, Testing, and Merging.
– Setting up Jenkins for CI: Job Configuration, Triggers, and Notifications.
– Integrating Jenkins with Git: Webhooks, Polling, and Pipelines.
– Managing Build Artifacts: Archiving and Distributing Builds.

• Hands-On Lab:

1.Objective: Configure a CI pipeline in Jenkins.
2.Activities:
– Creating a Jenkins pipeline for a Java application.
– Integrating with GitHub: Configuring Webhooks to trigger builds.
– Setting up automated builds and running unit tests.
– Viewing build results and artifacts in Jenkins.

3. Introduction to Containerization with Docker
• Objective: To introduce the concepts of containerization and provide hands-on experience with Docker.
• Topics Covered:

1.Understanding Containerization:
– What are Containers? Comparison with Virtual Machines.
– Benefits of Containerization: Portability, Efficiency, and Scalability.

2.Introduction to Docker:
– Docker Architecture: Docker Engine, Images, Containers, and Registries.
– Installing Docker on Linux/Windows/Mac.
– Docker Commands: Running, Stopping, and Managing Containers.

3.Creating Docker Images:
– Writing a Dockerfile: Syntax and Best Practices.
– Building and Tagging Docker Images.
-Running and Managing Docker Containers.
– Publishing Docker Images to Docker Hub.

•Hands-On Lab:

1.Objective: Build and deploy a Docker container.
2.Activities:
– Writing a Dockerfile for a simple Node.js web application.
– Building the Docker image and running it as a container.
– Testing the container locally and troubleshooting common issues.
– Pushing the Docker image to Docker Hub.

4. Docker Compose and Docker Networking
• Objective: To manage multi-container applications using Docker Compose and understand Docker networking.
• Topics Covered:

1.Docker Compose:
2.Introduction to Docker Compose: Overview and Benefits.
– Writing a docker-compose.yml file: Services, Networks, and Volumes.
– Managing Multi-Container Applications: Starting, Stopping, and Scaling.
– Networking in Docker Compose: Service Discovery and Communication.

3.Docker Networking:
– Understanding Docker Networking: Bridge, Host, and Overlay Networks.
– Configuring Custom Networks: Bridge Networks and User-Defined Networks.
– Linking Containers and Exposing Ports.

4.Docker Volumes:
– Data Persistence in Docker: Volumes vs. Bind Mounts.
– Creating and Managing Docker Volumes.
– Sharing Data between Containers using Volumes.

• Hands-On Lab:

1.Objective: Deploy a multi-container application with Docker Compose.
2.Activities:
– Writing a docker-compose.yml file for a LAMP (Linux, Apache, MySQL, PHP) stack.
– Setting up networking between containers for a web application.
– Using volumes for persistent storage in the MySQL container.
– Scaling the application by adding multiple instances of the web server.

5. Introduction to Orchestration with Kubernetes
• Objective: To introduce Kubernetes and provide hands-on experience with deploying applications on a Kubernetes cluster.
• Topics Covered:

1.Kubernetes Overview:
– Introduction to Kubernetes: Architecture and Components.
– Key Concepts: Pods, Services, Deployments, ConfigMaps, and Secrets.
– Setting up a Kubernetes Cluster: Minikube, kubeadm, or Managed Kubernetes (e.g., GKE, EKS).
– Kubernetes Objects: Creating and Managing Pods, Deployments, and Services.

2.Deploying Applications on Kubernetes:
– Writing YAML manifests for Kubernetes resources.
– Deploying a simple application (e.g., Nginx) on Kubernetes.
– Managing Application Lifecycle: Scaling, Updating, and Rolling Back Deployments.
– Service Discovery and Load Balancing with Kubernetes Services.

• Hands-On Lab:

1.Objective: Deploy a microservices application on a Kubernetes cluster.
2.Activities:
– Setting up Minikube or a Kubernetes cluster on the cloud.
– Writing and applying Kubernetes manifests for a multi-tier application.
– Exposing the application using Kubernetes Services (NodePort, LoadBalancer).
– Testing and troubleshooting the application deployment.

6. Kubernetes Advanced Concepts
• Objective: To explore advanced Kubernetes features such as autoscaling, networking, storage, and security.
• Topics Covered:

1.Kubernetes Autoscaling:
– Horizontal Pod Autoscaling (HPA): Concepts and Configuration.
– Configuring Resource Requests and Limits for Pods.
– Monitoring and Scaling Applications based on CPU/Memory usage.

2.Kubernetes Networking:
– Kubernetes Networking Fundamentals: Service Types, ClusterIP, NodePort, and LoadBalancer.
– Ingress Controllers: Managing External Access to Applications.
– Network Policies: Controlling Traffic between Pods.

3.Persistent Storage in Kubernetes:
– Kubernetes Volumes: EmptyDir, HostPath, and Persistent Volume Claims (PVCs).
– Configuring Persistent Storage with NFS, Ceph, or Cloud Storage.
– StatefulSets: Managing Stateful Applications in Kubernetes.

4.Kubernetes Security:
– Role-Based Access Control (RBAC) in Kubernetes.
– Managing Secrets and ConfigMaps securely.
– Securing Kubernetes API and Cluster Nodes.

• Hands-On Lab:

1.Objective: Implement autoscaling and persistent storage in Kubernetes.
2.Activities:
– Configuring HPA for a web application in Kubernetes.
– Setting up persistent storage with Persistent Volume Claims.
– Deploying an application with StatefulSets and testing data persistence.
– Configuring Ingress and Network Policies for secure access to the application.

7: Continuous Deployment (CD) with Jenkins and Kubernetes
• Objective: To build and manage continuous deployment pipelines with Jenkins andKubernetes.
• Topics Covered:

1.Integrating Jenkins with Kubernetes:
– Introduction to Jenkins Kubernetes Plugin.
– Configuring Jenkins to Deploy Applications to Kubernetes.
– Setting up Jenkins X for Continuous Deployment.

2.Continuous Deployment Pipeline:
– Building a CI/CD Pipeline with Jenkins and Kubernetes.
– Automating Deployment Processes: Rolling Updates and Canary Deployments.
– Managing Rollbacks and Rollouts in Kubernetes.
– Monitoring and Validating Deployments with Jenkins.

• Hands-On Lab:

1.Objective: Create a Jenkins pipeline for deploying applications to Kubernetes.
2.Activities:
– Setting up Jenkins with Kubernetes Plugin.
– Writing Jenkinsfile to automate the build and deployment process.
– Deploying a sample application to Kubernetes using the Jenkins pipeline.
– Configuring Jenkins to automatically rollback in case of deployment failure.

8. Infrastructure as Code (IaC) with Terraform
• Objective: To learn the principles of Infrastructure as Code and how to manage cloud infrastructure using Terraform.
• Topics Covered:

1.Introduction to Infrastructure as Code (IaC):
– The Importance of IaC in DevOps: Benefits and Use Cases.
– Overview of IaC Tools: Terraform, Ansible, CloudFormation.
– Key Concepts in Terraform: Providers, Resources, Modules, and State.

2.Terraform Basics:
– Installing and Configuring Terraform.
– Writing Terraform Configuration Files: Syntax, Variables, and Outputs.
– Managing Infrastructure with Terraform: Creating, Updating, and Destroying Resources.
– Terraform State Management: Local and Remote Backends.

3.Advanced Terraform Concepts:
– Working with Terraform Modules: Reusable Infrastructure Components.
– Managing Complex Infrastructure with Terraform: Multi-Environment Setup.
– Integrating Terraform with CI/CD Pipelines.

• Hands-On Lab:

1.Objective: Provision AWS resources using Terraform.
2.Activities:
-Writing Terraform configurations to provision an EC2 instance, S3 bucket, and VPC.
– Applying Terraform configurations and managing state.
– Creating and using Terraform Modules for reusable infrastructure components.
– Integrating Terraform with Jenkins for automated infrastructure provisioning.

9. Configuration Management with Ansible
• Objective: To automate configuration management and application deployment using Ansible.
• Topics Covered:

1.Introduction to Ansible:
– Overview of Configuration Management: Concepts and Importance.
– Ansible Architecture: Agents vs. Agentless, Inventory, Modules, Playbooks.
– Installing and Configuring Ansible.

2.Writing Ansible Playbooks:
– Playbook Syntax and Structure: Tasks, Handlers, and Variables.
– Using Ansible Modules: Commonly Used Modules (e.g., File, Package, Service).
– Managing Playbooks: Roles, Tags, and Conditions.
– Working with Inventories: Static vs. Dynamic Inventory.

3.Advanced Ansible Concepts:
– Ansible Roles: Structuring Playbooks for Reusability.
– Ansible Vault: Securing Sensitive Data in Playbooks.
– Integrating Ansible with Jenkins for Continuous Configuration Management.

• Hands-On Lab:

1.Objective: Automate server configuration with Ansible.
2.Activities:
– Writing an Ansible Playbook to install and configure a web server (e.g., Apache/Nginx).
– Managing multiple servers using Ansible Inventory and Playbooks.
– Implementing Ansible Roles for reusable configuration management.
– Securing sensitive variables and credentials with Ansible Vault.

10. Monitoring and Logging in a DevOps Environment
• Objective: To implement monitoring and logging solutions in a DevOps environment using Prometheus, Grafana, and ELK Stack.
• Topics Covered:

1. Importance of Monitoring and Logging in DevOps:
– Understanding the Role of Monitoring and Logging in CI/CD Pipelines.
– Key Metrics to Monitor: Application Performance, System Health, and Logs.

2.Introduction to Prometheus and Grafana:
– Prometheus Overview: Architecture, Metrics, and Exporters.
– Installing and Configuring Prometheus for Monitoring.
– Grafana Overview: Dashboards, Data Sources, and Alerts.
– Integrating Prometheus with Grafana for Visualization and Alerting.

3.Centralized Logging with ELK Stack:
– Overview of ELK Stack: Elasticsearch, Logstash, and Kibana.
– Setting up ELK Stack for Centralized Logging.
– Collecting and Analyzing Logs with Logstash.
– Visualizing and Searching Logs with Kibana.

4.Integrating Monitoring and Logging into CI/CD Pipelines:
– Adding Monitoring and Logging to Jenkins Pipelines.
– Setting up Alerts and Notifications for CI/CD Failures.

• Hands-On Lab:

1.Objective: Set up a monitoring and logging solution for a Kubernetes cluster.
2.Activities:
– Installing and configuring Prometheus and Grafana on a Kubernetes cluster.
– Setting up monitoring for application performance and system health.
– Deploying ELK Stack for centralized logging in Kubernetes.
– Creating Grafana dashboards and Kibana visualizations for real-time monitoring.

11: Security in DevOps (DevSecOps)
• Objective: To integrate security practices into DevOps workflows, ensuring secure CI/CD pipelines and infrastructure.
• Topics Covered:

1.Introduction to DevSecOps:
– Shifting Left on Security: Incorporating Security Early in the Development Lifecycle.
– Key Principles of DevSecOps: Automation, Collaboration, and Continuous Security.
– Common Security Challenges in DevOps and How to Address Them.

2.Security in CI/CD Pipelines:
– Implementing Static Code Analysis (SAST) and Dynamic Application Security Testing (DAST).
– Dependency Scanning for Vulnerable Libraries and Packages.
– Integrating Security Tools into Jenkins Pipelines: SonarQube, OWASP Dependency-Check.
– Securing Docker Containers and Kubernetes Clusters:
– Best Practices for Securing Docker Images and Containers.
– Kubernetes Security Best Practices: RBAC, Network Policies, and Secrets Management.
– Automating Security Scans for Docker Images and Kubernetes Clusters.

• Automating Security Testing:
– Integrating OWASP ZAP for Automated Penetration Testing in CI/CD Pipelines.
– Setting Up Continuous Security Monitoring and Alerts.

• Hands-On Lab:

1.Objective: Implement security checks in a CI/CD pipeline.
2.Activities:
– Configuring SonarQube for static code analysis in Jenkins.
– Setting up OWASP Dependency-Check for vulnerability scanning in a pipeline.
– Implementing security best practices in Dockerfile and Kubernetes manifests.
– Running OWASP ZAP for automated penetration testing of a web application.

12. Preparing for Certification
• Objective: To review key concepts, practice hands-on labs, and prepare for AWS Certified DevOps Engineer and Docker Certified Associate exams.
• Topics Covered:

1.Overview of Certification Exams:
– AWS Certified DevOps Engineer: Exam Structure, Domains, and Key Topics.
– Docker Certified Associate: Exam Structure, Domains, and Key Topics.
– Exam Preparation Tips: Study Strategies, Time Management, and Resources.

2.Review of Key Concepts and Hands-On Labs:
– Recap of Key DevOps Concepts: CI/CD, Containerization, Orchestration, IaC.
– Hands-On Practice: Reviewing Labs from Previous Sessions.
– Discussion of Real-World Scenarios and Best Practices.

3.Mock Exam and Q&A Session:
– Conducting a Mock Exam: Sample Questions and Scenarios.
– Reviewing Mock Exam Results and Discussing Answers.
– Q&A Session: Addressing Participant Questions and Clarifying Doubts.

• Final Project:

1.Objective: Build and deploy a complete CI/CD pipeline using the tools covered in the course.
2.Activities:
– Designing and implementing a CI/CD pipeline with Jenkins, Docker, and Kubernetes.
– Automating infrastructure provisioning with Terraform and configuration management with Ansible.
-Integrating security checks and monitoring into the pipeline.
– Deploying a multi-tier application and demonstrating continuous deployment.