CI/CD Complete Learning Roadmap - GitHub Actions, GitLab CI, Jenkins¶

🎯 Mục tiêu: Master CI/CD với 3 platform chính trong 8-10 tháng¶

🔰 GIAI ĐOẠN 1: CI/CD FOUNDATION (Tháng 1-2)¶

Week 1: CI/CD Fundamentals¶

Search Keywords để học:

[ ] "What is CI/CD continuous integration deployment"
[ ] "CI/CD pipeline benefits software development"
[ ] "DevOps CI/CD workflow explained"
[ ] "Continuous integration vs continuous deployment"
[ ] "CI/CD tools comparison GitHub GitLab Jenkins"
[ ] "Build automation testing deployment pipeline"
[ ] "Version control integration CI/CD"
[ ] "CI/CD best practices principles"

Concepts để hiểu:

[ ] Build → Test → Deploy cycle
[ ] Automated testing in CI/CD
[ ] Infrastructure as Code (IaC)
[ ] Configuration management
[ ] Environment promotion (dev → staging → production)

Week 2: Version Control & Branching Strategies¶

Search Keywords để học:

[ ] "Git branching strategies for CI/CD"
[ ] "GitFlow vs GitHub Flow vs GitLab Flow"
[ ] "Feature branch workflow CI/CD"
[ ] "Trunk-based development continuous integration"
[ ] "Pull request merge request workflow"
[ ] "Branch protection rules CI/CD"
[ ] "Semantic versioning in CI/CD pipelines"
[ ] "Git hooks for CI/CD automation"

Branching Models Practice:

# GitFlow model
git flow init
git flow feature start new-feature
git flow feature finish new-feature

# GitHub Flow
git checkout -b feature/new-feature
git push -u origin feature/new-feature
# Create Pull Request

# GitLab Flow
git checkout -b feature-branch
git push -u origin feature-branch
# Create Merge Request

Week 3: Build Automation Basics¶

Search Keywords để học:

[ ] "Build automation tools comparison"
[ ] "Maven Gradle build tools Java"
[ ] "npm webpack build tools JavaScript"
[ ] "Docker multi-stage builds CI/CD"
[ ] "Build artifacts management"
[ ] "Dependency management in builds"
[ ] "Build caching strategies"
[ ] "Cross-platform builds CI/CD"

Build Tools Practice:

# Maven build
mvn clean compile test package

# Gradle build
./gradlew clean build test

# npm build
npm install
npm run build
npm test

# Docker build
docker build -t app:latest .
docker build --target production .

Week 4: Testing Automation¶

Search Keywords để học:

[ ] "Automated testing pyramid CI/CD"
[ ] "Unit integration e2e testing automation"
[ ] "Test-driven development TDD CI/CD"
[ ] "Code coverage tools SonarQube"
[ ] "Parallel testing in CI/CD pipelines"
[ ] "Test reporting and notifications"
[ ] "Performance testing in CI/CD"
[ ] "Security testing SAST DAST"

Testing Framework Examples:

# Jest (JavaScript)
npm test
npm run test:coverage

# JUnit (Java)
mvn test
mvn jacoco:report

# pytest (Python)
pytest --cov=src tests/

# Cypress (E2E)
npx cypress run
npx cypress run --record

🐙 GIAI ĐOẠN 2: GITHUB ACTIONS MASTERY (Tháng 3-4)¶

Week 5: GitHub Actions Fundamentals¶

Search Keywords để học:

[ ] "GitHub Actions tutorial for beginners"
[ ] "GitHub Actions workflow syntax YAML"
[ ] "GitHub Actions events triggers push pull_request"
[ ] "GitHub Actions runners hosted self-hosted"
[ ] "GitHub Actions marketplace actions"
[ ] "GitHub Actions secrets environment variables"
[ ] "GitHub Actions matrix builds"
[ ] "GitHub Actions conditional execution"

Basic Workflow Practice:

# .github/workflows/ci.yml
name: CI Pipeline
on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main]

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: "18"
      - run: npm ci
      - run: npm test

Week 6: GitHub Actions Advanced Features¶

Search Keywords để học:

[ ] "GitHub Actions custom actions development"
[ ] "GitHub Actions Docker container actions"
[ ] "GitHub Actions JavaScript actions"
[ ] "GitHub Actions composite actions"
[ ] "GitHub Actions outputs artifacts"
[ ] "GitHub Actions caching dependencies"
[ ] "GitHub Actions environment protection rules"
[ ] "GitHub Actions deployment slots"

Advanced Workflow Examples:

# Matrix builds
strategy:
  matrix:
    node-version: [14, 16, 18]
    os: [ubuntu-latest, windows-latest]

# Caching
- name: Cache dependencies
  uses: actions/cache@v3
  with:
    path: ~/.npm
    key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}

# Custom action usage
- name: Deploy to AWS
  uses: ./my-custom-action
  with:
    aws-region: us-east-1

Week 7: GitHub Actions CI/CD Pipelines¶

Search Keywords để học:

[ ] "GitHub Actions CI/CD pipeline examples"
[ ] "GitHub Actions deploy to AWS Azure GCP"
[ ] "GitHub Actions Docker build push"
[ ] "GitHub Actions Kubernetes deployment"
[ ] "GitHub Actions blue-green deployment"
[ ] "GitHub Actions rollback strategies"
[ ] "GitHub Actions multi-environment deployment"
[ ] "GitHub Actions approval workflows"

Deployment Pipeline:

# .github/workflows/deploy.yml
name: Deploy Pipeline
on:
  push:
    branches: [main]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Build Docker image
        run: |
          docker build -t ${{ secrets.DOCKER_REGISTRY }}/app:${{ github.sha }} .
          docker push ${{ secrets.DOCKER_REGISTRY }}/app:${{ github.sha }}

  deploy:
    needs: build
    runs-on: ubuntu-latest
    environment: production
    steps:
      - name: Deploy to Kubernetes
        run: |
          kubectl set image deployment/app app=${{ secrets.DOCKER_REGISTRY }}/app:${{ github.sha }}

Week 8: GitHub Actions Enterprise Features¶

Search Keywords để học:

[ ] "GitHub Actions self-hosted runners setup"
[ ] "GitHub Actions organization secrets"
[ ] "GitHub Actions required status checks"
[ ] "GitHub Actions OIDC AWS Azure authentication"
[ ] "GitHub Actions security best practices"
[ ] "GitHub Actions audit logs monitoring"
[ ] "GitHub Actions cost optimization"
[ ] "GitHub Actions troubleshooting debugging"

🦊 GIAI ĐOẠN 3: GITLAB CI/CD MASTERY (Tháng 5-6)¶

Week 9: GitLab CI/CD Fundamentals¶

Search Keywords để học:

[ ] "GitLab CI/CD tutorial beginners"
[ ] "GitLab CI YAML configuration gitlab-ci.yml"
[ ] "GitLab CI stages jobs pipelines"
[ ] "GitLab CI runners shared specific"
[ ] "GitLab CI variables secrets"
[ ] "GitLab CI artifacts dependencies"
[ ] "GitLab CI rules conditions"
[ ] "GitLab CI templates includes"

Basic Pipeline Practice:

# .gitlab-ci.yml
stages:
  - build
  - test
  - deploy

variables:
  NODE_ENV: production

build:
  stage: build
  script:
    - npm ci
    - npm run build
  artifacts:
    paths:
      - dist/

test:
  stage: test
  script:
    - npm test
  coverage: '/Coverage: \d+\.\d+%/'

deploy:
  stage: deploy
  script:
    - echo "Deploying to production..."
  only:
    - main

Week 10: GitLab CI Advanced Configuration¶

Search Keywords để học:

[ ] "GitLab CI parallel matrix builds"
[ ] "GitLab CI dynamic child pipelines"
[ ] "GitLab CI multi-project pipelines"
[ ] "GitLab CI environments deployments"
[ ] "GitLab CI cache optimization"
[ ] "GitLab CI Docker in Docker dind"
[ ] "GitLab CI pages static site deployment"
[ ] "GitLab CI security scanning SAST DAST"

Advanced Pipeline Features:

# Matrix builds
test:
  stage: test
  parallel:
    matrix:
      - NODE_VERSION: ["14", "16", "18"]
        OS: ["ubuntu", "alpine"]
  script:
    - docker run --rm node:$NODE_VERSION-$OS npm test

# Dynamic pipelines
generate-pipeline:
  stage: build
  script:
    - generate-pipeline.sh > generated-pipeline.yml
  artifacts:
    reports:
      child_pipeline: generated-pipeline.yml

# Cache configuration
cache:
  key: ${CI_COMMIT_REF_SLUG}
  paths:
    - node_modules/
  policy: pull-push

Week 11: GitLab CI/CD Deployments¶

Search Keywords để học:

[ ] "GitLab CI CD deployment strategies"
[ ] "GitLab environments review apps"
[ ] "GitLab CI deploy to Kubernetes"
[ ] "GitLab CI Auto DevOps"
[ ] "GitLab CI feature flags"
[ ] "GitLab CI canary deployments"
[ ] "GitLab CI manual approvals"
[ ] "GitLab CI rollback procedures"

Deployment Examples:

deploy_staging:
  stage: deploy
  script:
    - kubectl apply -f k8s/
  environment:
    name: staging
    url: https://staging.example.com
  only:
    - develop

deploy_production:
  stage: deploy
  script:
    - kubectl apply -f k8s/
  environment:
    name: production
    url: https://example.com
  when: manual
  only:
    - main

Week 12: GitLab CI/CD Enterprise¶

Search Keywords để học:

[ ] "GitLab CI runner management scaling"
[ ] "GitLab CI security compliance"
[ ] "GitLab CI monitoring analytics"
[ ] "GitLab CI cost optimization"
[ ] "GitLab CI custom executors"
[ ] "GitLab CI integration external tools"
[ ] "GitLab CI backup restore"
[ ] "GitLab CI troubleshooting performance"

🔧 GIAI ĐOẠN 4: JENKINS MASTERY (Tháng 7-8)¶

Week 13: Jenkins Fundamentals¶

Search Keywords để học:

[ ] "Jenkins installation setup tutorial"
[ ] "Jenkins freestyle vs pipeline jobs"
[ ] "Jenkins plugin management"
[ ] "Jenkins user management security"
[ ] "Jenkins workspace management"
[ ] "Jenkins build triggers SCM polling"
[ ] "Jenkins parameters build variables"
[ ] "Jenkins email notifications"

Basic Jenkins Setup:

// Freestyle job configuration
Build Triggers: Poll SCM H/15 * * * *
Build Steps: Execute shell
  #!/bin/bash
  npm ci
  npm test
  npm run build

Post-build Actions:
  - Archive artifacts: dist/**
  - Publish test results: test-results.xml

Week 14: Jenkins Pipeline as Code¶

Search Keywords để học:

[ ] "Jenkins declarative pipeline syntax"
[ ] "Jenkins scripted pipeline Groovy"
[ ] "Jenkinsfile SCM integration"
[ ] "Jenkins pipeline stages parallel"
[ ] "Jenkins pipeline shared libraries"
[ ] "Jenkins pipeline parameters input"
[ ] "Jenkins pipeline conditional execution"
[ ] "Jenkins pipeline error handling"

Declarative Pipeline:

// Jenkinsfile
pipeline {
    agent any

    tools {
        nodejs '18'
    }

    environment {
        NODE_ENV = 'production'
    }

    stages {
        stage('Build') {
            steps {
                sh 'npm ci'
                sh 'npm run build'
            }
        }

        stage('Test') {
            parallel {
                stage('Unit Tests') {
                    steps {
                        sh 'npm test'
                    }
                    post {
                        always {
                            publishTestResults testResultsPattern: 'test-results.xml'
                        }
                    }
                }

                stage('Integration Tests') {
                    steps {
                        sh 'npm run test:integration'
                    }
                }
            }
        }

        stage('Deploy') {
            when {
                branch 'main'
            }
            steps {
                sh 'npm run deploy'
            }
        }
    }

    post {
        always {
            archiveArtifacts artifacts: 'dist/**', fingerprint: true
            cleanWs()
        }
    }
}

Week 15: Jenkins Advanced Features¶

Search Keywords để học:

[ ] "Jenkins multibranch pipeline"
[ ] "Jenkins Blue Ocean interface"
[ ] "Jenkins Docker integration"
[ ] "Jenkins Kubernetes plugin"
[ ] "Jenkins shared libraries development"
[ ] "Jenkins pipeline testing"
[ ] "Jenkins credential management"
[ ] "Jenkins webhook integration"

Advanced Pipeline Features:

// Shared Library usage
@Library('my-shared-library') _

pipeline {
    agent {
        kubernetes {
            yaml """
                apiVersion: v1
                kind: Pod
                spec:
                  containers:
                  - name: docker
                    image: docker:latest
                    command: ['cat']
                    tty: true
                    volumeMounts:
                    - name: docker-sock
                      mountPath: /var/run/docker.sock
                  volumes:
                  - name: docker-sock
                    hostPath:
                      path: /var/run/docker.sock
            """
        }
    }

    stages {
        stage('Build Docker Image') {
            steps {
                container('docker') {
                    script {
                        def image = docker.build("myapp:${env.BUILD_NUMBER}")
                        docker.withRegistry('https://registry.hub.docker.com', 'docker-hub-credentials') {
                            image.push()
                            image.push('latest')
                        }
                    }
                }
            }
        }
    }
}

Week 16: Jenkins Enterprise & Scaling¶

Search Keywords để học:

[ ] "Jenkins master slave architecture"
[ ] "Jenkins distributed builds"
[ ] "Jenkins high availability setup"
[ ] "Jenkins backup restore strategies"
[ ] "Jenkins monitoring with Prometheus"
[ ] "Jenkins security hardening"
[ ] "Jenkins performance optimization"
[ ] "Jenkins upgrade maintenance"

🚀 GIAI ĐOẠN 5: ADVANCED CI/CD PATTERNS (Tháng 9-10)¶

Week 17: Multi-Platform CI/CD Strategy¶

Search Keywords để học:

[ ] "Multi-platform CI/CD architecture"
[ ] "CI/CD tool migration strategies"
[ ] "Hybrid CI/CD environments"
[ ] "CI/CD orchestration tools"
[ ] "CI/CD as Code best practices"
[ ] "CI/CD security scanning integration"
[ ] "CI/CD compliance automation"
[ ] "CI/CD cost optimization strategies"

Week 18: Advanced Deployment Patterns¶

Search Keywords để học:

[ ] "Blue-green deployment CI/CD"
[ ] "Canary deployment strategies"
[ ] "Rolling deployment patterns"
[ ] "Feature flags deployment"
[ ] "GitOps deployment model"
[ ] "Progressive delivery techniques"
[ ] "Deployment automation tools"
[ ] "Rollback strategies CI/CD"

Week 19: CI/CD Monitoring & Observability¶

Search Keywords để học:

[ ] "CI/CD pipeline monitoring"
[ ] "CI/CD metrics and KPIs"
[ ] "CI/CD alerting strategies"
[ ] "CI/CD performance optimization"
[ ] "CI/CD failure analysis"
[ ] "CI/CD dashboard creation"
[ ] "CI/CD cost tracking"
[ ] "CI/CD audit and compliance"

Week 20: CI/CD Leadership & Strategy¶

Search Keywords để học:

[ ] "CI/CD transformation strategy"
[ ] "CI/CD team organization"
[ ] "CI/CD culture and practices"
[ ] "CI/CD training and adoption"
[ ] "CI/CD governance frameworks"
[ ] "CI/CD vendor evaluation"
[ ] "CI/CD future trends"
[ ] "CI/CD case studies enterprises"

📚 HANDS-ON PROJECTS BY PLATFORM¶

🐙 GitHub Actions Projects¶

Simple Web App CI/CD
React/Vue.js application
Automated testing and building
Deploy to GitHub Pages
Search: "GitHub Actions React deployment"
Docker Multi-stage Pipeline
Docker build optimization
Container security scanning
Deploy to container registry
Search: "GitHub Actions Docker multi-stage"
Microservices Pipeline
Multi-service testing
Parallel builds
Service dependency management
Search: "GitHub Actions microservices pipeline"

🦊 GitLab CI Projects¶

Full-stack Application
Frontend + Backend + Database
Environment-specific deployments
Review apps for merge requests
Search: "GitLab CI full-stack deployment"
Auto DevOps Setup
Automated application detection
Built-in security scanning
Kubernetes deployment
Search: "GitLab Auto DevOps tutorial"
Multi-project Pipeline
Cross-project dependencies
Shared pipeline templates
Artifact passing between projects
Search: "GitLab multi-project pipeline"

🔧 Jenkins Projects¶

Enterprise Pipeline
Multibranch pipeline setup
Shared library implementation
Integration with external tools
Search: "Jenkins enterprise pipeline"
Kubernetes Integration
Dynamic agent provisioning
Kubernetes deployment
Helm chart management
Search: "Jenkins Kubernetes plugin"
Legacy System Migration
Freestyle to Pipeline conversion
Gradual modernization approach
Zero-downtime deployment
Search: "Jenkins pipeline migration"

📋 SKILL ASSESSMENT CHECKLIST¶

GitHub Actions Mastery¶

[ ] Create complex workflow with matrix builds
[ ] Develop custom composite actions
[ ] Implement security scanning pipeline
[ ] Configure environment protection rules
[ ] Optimize workflow performance and costs
[ ] Troubleshoot workflow failures

GitLab CI/CD Mastery¶

[ ] Configure multi-stage pipelines
[ ] Implement dynamic child pipelines
[ ] Set up Auto DevOps workflows
[ ] Configure environment-specific deployments
[ ] Optimize cache and artifact strategies
[ ] Integrate security and compliance scanning

Jenkins Mastery¶

[ ] Create declarative pipeline from scratch
[ ] Develop shared pipeline libraries
[ ] Configure distributed build system
[ ] Implement Blue Ocean workflows
[ ] Set up Jenkins high availability
[ ] Integrate with enterprise tools

🎓 CERTIFICATIONS & LEARNING PATHS¶

Official Certifications¶

[ ] GitHub Actions Certification (When available)
[ ] GitLab Certified CI/CD Specialist
[ ] Jenkins Engineer Certification
[ ] AWS DevOps Professional
[ ] Azure DevOps Engineer Expert
[ ] Google Cloud DevOps Engineer

Learning Resources by Platform¶

GitHub Actions¶

"GitHub Actions Documentation" - Official docs
"GitHub Actions Masterclass" - Udemy
"Learning GitHub Actions" - LinkedIn Learning
"GitHub Actions in Action" - Manning Books

GitLab CI/CD¶

"GitLab Documentation" - Official comprehensive guide
"GitLab CI/CD Tutorial" - GitLab Learn
"Mastering GitLab" - Packt Publishing
"GitLab CI/CD Pipeline Configuration" - Pluralsight

Jenkins¶

"Jenkins Handbook" - Official documentation
"Jenkins Fundamentals" - CloudBees University
"Jenkins Pipeline as Code" - Udemy
"Learning Jenkins" - LinkedIn Learning

✅ DAILY PRACTICE ROUTINE¶

Morning Warm-up (20 mins)¶

[ ] Check CI/CD pipeline status for projects
[ ] Review failed builds from overnight
[ ] Read CI/CD best practices articles
[ ] Practice writing pipeline configurations

Active Development (45-60 mins)¶

[ ] Work on CI/CD pipeline improvements
[ ] Experiment with new CI/CD features
[ ] Contribute to open source CI/CD projects
[ ] Create reusable pipeline components

Evening Review (15 mins)¶

[ ] Document new CI/CD patterns learned
[ ] Update personal CI/CD templates
[ ] Plan next day's CI/CD experiments
[ ] Review CI/CD performance metrics

🎯 MILESTONE ACHIEVEMENTS¶

Month 2: Foundation Complete¶

[ ] Understand CI/CD principles
[ ] Can create basic pipelines
[ ] Know testing automation basics
[ ] Familiar with all three platforms

Month 4: Platform Proficiency¶

[ ] Master GitHub Actions workflows
[ ] Can troubleshoot pipeline issues
[ ] Implement security best practices
[ ] Create reusable components

Month 6: Multi-Platform Expert¶

[ ] Proficient in GitLab CI/CD
[ ] Can migrate between platforms
[ ] Optimize pipeline performance
[ ] Lead CI/CD implementations

Month 8: Enterprise Ready¶

[ ] Master Jenkins at enterprise scale
[ ] Design CI/CD architecture
[ ] Implement governance frameworks
[ ] Train and mentor others

Month 10: CI/CD Leader¶

[ ] Strategy and planning expertise
[ ] Cross-platform integration
[ ] Innovation and optimization
[ ] Industry thought leadership

CI/CD Mastery Philosophy: "Automate everything, measure everything, improve everything!"

🚀 Quick Start Action Plan¶

Day 1: Environment Setup¶

Create accounts on GitHub, GitLab, and set up Jenkins
Fork sample repositories for practice
Run your first "Hello World" pipeline
Join CI/CD communities and forums

Week 1 Goals¶

[ ] Complete basic tutorial for each platform
[ ] Create first working pipeline
[ ] Set up development environment
[ ] Identify real project for practice

Month 1 Targets¶

[ ] Deploy first application via CI/CD
[ ] Implement automated testing
[ ] Set up basic monitoring
[ ] Document lessons learned

Remember: CI/CD mastery comes from consistent practice and real-world application. Start small, iterate fast, and always be optimizing!

CI/CD Complete Learning Roadmap - GitHub Actions, GitLab CI, Jenkins¶

🎯 Mục tiêu: Master CI/CD với 3 platform chính trong 8-10 tháng¶

🔰 GIAI ĐOẠN 1: CI/CD FOUNDATION (Tháng 1-2)¶

Week 1: CI/CD Fundamentals¶

Week 2: Version Control & Branching Strategies¶

Week 3: Build Automation Basics¶

Week 4: Testing Automation¶

🐙 GIAI ĐOẠN 2: GITHUB ACTIONS MASTERY (Tháng 3-4)¶

Week 5: GitHub Actions Fundamentals¶

Week 6: GitHub Actions Advanced Features¶

Week 7: GitHub Actions CI/CD Pipelines¶

Week 8: GitHub Actions Enterprise Features¶

🦊 GIAI ĐOẠN 3: GITLAB CI/CD MASTERY (Tháng 5-6)¶

Week 9: GitLab CI/CD Fundamentals¶

Week 10: GitLab CI Advanced Configuration¶

Week 11: GitLab CI/CD Deployments¶

Week 12: GitLab CI/CD Enterprise¶

🔧 GIAI ĐOẠN 4: JENKINS MASTERY (Tháng 7-8)¶

Week 13: Jenkins Fundamentals¶

Week 14: Jenkins Pipeline as Code¶

Week 15: Jenkins Advanced Features¶

Week 16: Jenkins Enterprise & Scaling¶

🚀 GIAI ĐOẠN 5: ADVANCED CI/CD PATTERNS (Tháng 9-10)¶

Week 17: Multi-Platform CI/CD Strategy¶

Week 18: Advanced Deployment Patterns¶

Week 19: CI/CD Monitoring & Observability¶

Week 20: CI/CD Leadership & Strategy¶

📚 HANDS-ON PROJECTS BY PLATFORM¶

🐙 GitHub Actions Projects¶

🦊 GitLab CI Projects¶

🔧 Jenkins Projects¶

📋 SKILL ASSESSMENT CHECKLIST¶

GitHub Actions Mastery¶

GitLab CI/CD Mastery¶

Jenkins Mastery¶

🎓 CERTIFICATIONS & LEARNING PATHS¶

Official Certifications¶

Learning Resources by Platform¶

GitHub Actions¶

GitLab CI/CD¶

Jenkins¶

✅ DAILY PRACTICE ROUTINE¶

Morning Warm-up (20 mins)¶

Active Development (45-60 mins)¶

Evening Review (15 mins)¶

🎯 MILESTONE ACHIEVEMENTS¶

Month 2: Foundation Complete¶

Month 4: Platform Proficiency¶

Month 6: Multi-Platform Expert¶

Month 8: Enterprise Ready¶

Month 10: CI/CD Leader¶

🚀 Quick Start Action Plan¶

Day 1: Environment Setup¶

Week 1 Goals¶

Month 1 Targets¶

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