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Getting Started with DevOps 🚀

Welcome! This guide will help you start your DevOps journey. Whether you're a student or career changer, follow this roadmap to build a strong foundation.

📋 Table of Contents

  1. Week 1-2: Fundamentals
  2. Week 3-4: Containerization
  3. Week 5-6: CI/CD Pipelines
  4. Week 7-8: Cloud Platforms
  5. Week 9-10: Infrastructure as Code
  6. Quick Projects

Week 1-2: Fundamentals

What You'll Learn

  • Understanding DevOps culture and principles
  • Linux basics and command line
  • Version control with Git
  • Basic networking concepts

Learning Goals

✓ Comfortable with Linux terminal
✓ Can clone, commit, and push to GitHub
✓ Understand DevOps philosophy
✓ Know the DevOps lifecycle

Resources

Quick Exercises

# Day 1-2: Linux Commands
ls, cd, mkdir, touch, rm, grep, find

# Day 3-4: Git Basics
git init, git clone, git add, git commit, git push

# Day 5-6: Shell Scripting
Create a script to backup files

# Day 7-8: Networking
Understand ports, IP addresses, DNS

Week 3-4: Containerization

What You'll Learn

  • Docker basics and containers
  • Creating Dockerfiles
  • Docker networking and volumes
  • Container best practices

Learning Goals

✓ Can build Docker images
✓ Run and manage containers
✓ Create multi-container setups
✓ Understand container security

Resources

Hands-On Project

# Create a simple Node.js app Dockerfile
FROM node:16-alpine
WORKDIR /app
COPY . .
RUN npm install
EXPOSE 3000
CMD ["npm", "start"]

Try This: 1. Create a simple web app (Node.js or Python) 2. Write a Dockerfile for it 3. Build the image 4. Run the container 5. Push to Docker Hub

Week 5-6: CI/CD Pipelines

What You'll Learn

  • Continuous Integration concepts
  • Continuous Deployment practices
  • GitHub Actions or Jenkins
  • Automated testing and builds

Learning Goals

✓ Can create CI/CD pipelines
✓ Understand automated testing
✓ Know deployment strategies
✓ Can troubleshoot pipeline failures

Resources

Simple Pipeline Project

# GitHub Actions workflow
name: Build and Deploy
on: [push]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Build
        run: npm install && npm run build
      - name: Test
        run: npm test
      - name: Deploy
        run: npm run deploy

Week 7-8: Cloud Platforms

What You'll Learn

  • Cloud fundamentals (IaaS, PaaS, SaaS)
  • AWS or Azure basics
  • Virtual machines and networking
  • Storage and databases in cloud

Learning Goals

✓ Create a cloud account and navigate console
✓ Launch virtual machines
✓ Understand cloud networking
✓ Work with cloud storage

Resources

Practical Exercises

  1. Create a virtual machine in AWS or Azure
  2. Deploy a Docker container on cloud
  3. Configure security groups
  4. Set up DNS and load balancing

Week 9-10: Infrastructure as Code

What You'll Learn

  • Terraform basics
  • IaC best practices
  • State management
  • Module creation and reusability

Learning Goals

✓ Can write Terraform configurations
✓ Deploy infrastructure automatically
✓ Understand state files
✓ Create reusable modules

Resources

First Terraform Project

# Create AWS VPC
resource "aws_vpc" "main" {
  cidr_block = "10.0.0.0/16"
  tags = {
    Name = "learning-vpc"
  }
}

resource "aws_subnet" "main" {
  vpc_id     = aws_vpc.main.id
  cidr_block = "10.0.1.0/24"
}

Quick Projects

Project 1: Docker & GitHub Actions (Week 3-6)

Objective: Build and deploy a containerized app

Steps: 1. Create a simple web application 2. Write a Dockerfile 3. Push code to GitHub 4. Create CI/CD pipeline with GitHub Actions 5. Automatically deploy when code is pushed

Time: 8-10 hours

Project 2: Cloud Deployment (Week 7-8)

Objective: Deploy app to cloud with load balancing

Steps: 1. Create AWS/Azure account 2. Set up virtual machine 3. Deploy Docker container 4. Configure security groups 5. Set up monitoring

Time: 6-8 hours

Project 3: Infrastructure as Code (Week 9-10)

Objective: Automate infrastructure creation

Steps: 1. Write Terraform for VPC, subnets, security groups 2. Create compute instances 3. Set up auto-scaling 4. Deploy application automatically 5. Destroy and recreate with one command

Time: 10-12 hours

🎯 Your First Month Goals

Week 1-2 Checklist

  • Set up Linux environment (WSL, Ubuntu VM, or Mac)
  • Learn Git fundamentals
  • Understand DevOps philosophy
  • Complete Linux basics course

Week 3-4 Checklist

  • Install Docker locally
  • Build 3-5 Docker images
  • Push images to Docker Hub
  • Run multi-container app with Docker Compose

Week 5-6 Checklist

  • Create GitHub account
  • Set up GitHub Actions
  • Build first CI/CD pipeline
  • Deploy using GitHub Actions

Week 7-8 Checklist

  • Create AWS/Azure account
  • Launch virtual machine
  • Deploy containerized app to cloud
  • Configure networking and security

Week 9-10 Checklist

  • Learn Terraform basics
  • Write IaC for infrastructure
  • Deploy to cloud using Terraform
  • Understand state management

💡 Pro Tips

  1. Learn by Doing: Don't just watch tutorials, build projects
  2. Use Free Tier: AWS, Azure, and GCP all offer free tiers
  3. Document Your Learning: Keep notes on what you learn
  4. Join Communities: Connect with other DevOps engineers
  5. Contribute to Open Source: Gain real experience
  6. Build in Public: Share your projects on GitHub
  7. Practice Regularly: Dedicate 1-2 hours daily

📊 Time Commitment

Phase Duration Effort Outcome
Fundamentals 2 weeks 10-12 hrs/week Linux & Git proficiency
Containerization 2 weeks 12-15 hrs/week Docker expertise
CI/CD 2 weeks 15-18 hrs/week Pipeline automation
Cloud 2 weeks 12-15 hrs/week Cloud deployment
IaC 2 weeks 15-18 hrs/week Infrastructure automation
Total 10 weeks ~70-80 hours Junior DevOps Ready

🚀 After 10 Weeks

You'll be able to: - ✅ Write and deploy Dockerized applications - ✅ Create CI/CD pipelines - ✅ Deploy to cloud platforms - ✅ Automate infrastructure with code - ✅ Understand DevOps best practices - ✅ Build projects for portfolio

🤝 Need Help?

Remember: Every expert was once a beginner. Keep learning, building, and pushing forward! 💪

Good luck on your DevOps journey! 🎓