100-Day DevOps Learning Roadmap

Day 1-10: Setting Up the Environment and Refreshing Key Concepts

  • Day 1: Advanced Git and GitHub workflows.
  • Day 2: Advanced Linux command-line operations and scripting.
  • Day 3: Advanced shell scripting techniques.
  • Day 4: Automation with shell scripts.
  • Day 5: Refresh Docker fundamentals and multi-container applications with Docker Compose.
  • Day 6: Docker Swarm and orchestration (Day 1).
  • Day 7: Docker Swarm and orchestration (Day 2).
  • Day 8: Setting up a CI/CD pipeline using Jenkins or GitLab CI.
  • Day 9: Introduction to Kubernetes (K8s) architecture and components.
  • Day 10: Setting up a local Kubernetes cluster using Minikube or K3s.

Day 11-30: Kubernetes (K8s)

  • Day 11-12: Kubernetes core concepts: Pods, Deployments, and Services.
  • Day 13-14: Advanced ConfigMaps, Secrets, and security best practices.
  • Day 15-16: StatefulSets, Persistent Volumes, and dynamic provisioning.
  • Day 17-18: Helm charts for managing Kubernetes applications.
  • Day 19-20: Networking in Kubernetes: Ingress, Services, and Network Policies.
  • Day 21-22: Monitoring Kubernetes with Prometheus and Grafana.
  • Day 23: Kubernetes logging and troubleshooting.
  • Day 24-25: Advanced security in Kubernetes.
  • Day 26-27: Hands-on project: Deploy a microservices application on Kubernetes.
  • Day 28-29: Review and reinforcement of Kubernetes concepts.
  • Day 30: Final review of Kubernetes.

Day 31-45: Ansible

  • Day 31: Advanced Ansible architecture and playbook design.
  • Day 32-33: Writing and optimizing complex playbooks.
  • Day 34-35: Ansible inventory and dynamic inventory scripts.
  • Day 36-37: Advanced Ansible modules and custom modules.
  • Day 38: Ansible variables, templates, and Jinja2.
  • Day 39-40: Organizing roles and advanced role dependencies.
  • Day 41: Ansible Galaxy and creating your own roles.
  • Day 42-43: Ansible for infrastructure provisioning and orchestration.
  • Day 44: Hands-on project: Configuring a multi-tier application with Ansible.
  • Day 45: Review and reinforcement of Ansible concepts.

Day 46-60: Terraform

  • Day 46: Advanced Terraform architecture and state management.
  • Day 47-48: Terraform configuration, variables, and outputs.
  • Day 49: Creating reusable Terraform modules.
  • Day 50-51: Advanced Terraform provider configurations.
  • Day 52: Managing Terraform state and remote state backends.
  • Day 53: Terraform workspaces and environment management.
  • Day 54-55: Writing and organizing complex Terraform code.
  • Day 56-57: Hands-on project: Provisioning a scalable infrastructure on AWS/Azure with Terraform.
  • Day 58-59: Terraform best practices and advanced concepts.
  • Day 60: Review and reinforcement of Terraform concepts.

Day 61-70: Prometheus and Grafana

  • Day 61: Advanced Prometheus configuration and setup.
  • Day 62-63: Deep dive into Prometheus data model and PromQL.
  • Day 64: Instrumenting applications and custom metrics.
  • Day 65: Prometheus alerting with Alertmanager.
  • Day 66: Advanced Grafana dashboards and visualization techniques.
  • Day 67: Integrating Grafana with multiple data sources.
  • Day 68: Prometheus and Grafana for Kubernetes monitoring.
  • Day 69: Hands-on project: Monitoring and alerting for a complex application.
  • Day 70: Review and reinforcement of Prometheus and Grafana concepts.

Day 71-80: ELK Stack (Elasticsearch, Logstash, Kibana)

  • Day 71: Advanced ELK stack architecture and setup.
  • Day 72: Optimizing Elasticsearch for performance and scalability.
  • Day 73: Advanced indexing and querying in Elasticsearch.
  • Day 74: Logstash advanced configuration and pipeline optimization.
  • Day 75: Integrating Logstash with other data sources.
  • Day 76: Advanced Kibana visualizations and dashboards.
  • Day 77: Securing the ELK stack and role-based access control.
  • Day 78: Hands-on project: Log analysis and visualization for a microservices application.
  • Day 79: ELK stack in a production environment.
  • Day 80: Review and reinforcement of ELK stack concepts.

Day 81-90: CI/CD Tools (Jenkins, GitLab CI, etc.)

  • Day 81: Advanced Jenkins setup and pipeline design.
  • Day 82-83: Jenkins shared libraries and reusable pipeline code.
  • Day 84: Jenkins for automated testing and deployment.
  • Day 85: GitLab CI/CD advanced configuration and usage.
  • Day 86-87: Integrating GitLab CI/CD with Kubernetes.
  • Day 88: Hands-on project: CI/CD pipeline for a microservices application.
  • Day 89: Continuous integration and deployment best practices.
  • Day 90: Review and reinforcement of CI/CD concepts.

Day 91-100: Advanced Topics and Final Project

  • Day 91: Comparison of IaC tools: Terraform vs CloudFormation.
  • Day 92: Comparison of configuration management tools: Ansible vs Puppet vs Chef.
  • Day 93: Advanced Kubernetes topics: Operators and Custom Resource Definitions (CRDs).
  • Day 94: Prometheus advanced topics: Federation and service discovery.
  • Day 95: Security in DevOps: Best practices and tools.
  • Day 96: Disaster recovery and high availability in DevOps.
  • Day 97-98: Final hands-on project: End-to-end deployment of a complex application using Kubernetes, Ansible, Terraform, Prometheus, Grafana, and CI/CD tools.
  • Day 99: Final project review and improvements.
  • Day 100: Recap of the 100-day journey and planning next steps for continuous learning in DevOps.