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Tehran Lug 2/27/2025

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Magic of GitHub Actions: Automating Tasks

Seyyed Ali Mohammadiyeh (Max Base)

Tehran Lug - 27 Feb 2027

About me

Seyyed Ali Mohammadiyeh (Max Base)

Open-source Maintainer, GitHub Software Engineer CTO, asrez

[email protected]

About me

Seyyed Ali Mohammadiyeh (Max Base)

  • GitHub: https://github.com/basemax
  • Experience: Over 10 years in software development and programming
  • Background: Pure-mathematics and applied mathematics, with research experience

What is GitHub Actions?

  • A CI/CD service by GitHub
  • Automates workflows directly in GitHub repositories

Why Use GitHub Actions?

  • Automates testing, deployment, and workflows
  • Reduces manual work
  • Provides seamless integration with GitHub repositories

What is CI/CD?

  • CI (Continuous Integration): Merging code frequently & running tests automatically
  • CD (Continuous Deployment/Delivery): Automatically deploying tested code to development/production/server

Benefits of CI/CD

  • Faster development cycles
  • Improved code quality
  • Automatic rollback in case of failure

GitHub Actions != CI/CD

Automate your workflow from idea to production

Components of GitHub Actions

  • Workflows: Define automation process
    • Events: Triggers for workflows (push, pull request, etc.)
    • Jobs: Tasks running in parallel or sequentially
    • Steps: Individual commands within a job
    • Actions: Pre-built or custom scripts

Workflow Example

name: CI
on: [push]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Run a script
        run: echo "Hello, GitHub Actions!"

Events That Trigger Workflows

  • push or pull_request
  • Issues and comments
  • Scheduled CRON jobs
  • Manual trigger (workflow_dispatch)

Understanding Jobs

  • A workflow can have multiple jobs
  • Jobs can run in parallel or sequentially (needs)
  • Example:
jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - run: npm test
  deploy:
    needs: test
    runs-on: ubuntu-latest
    steps:
      - run: npm run deploy

Deploying with GitHub Actions

  • Example deployment job:
name: Deploy
on: push
to:
  branches: [main]
jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: ./deploy.sh

Using Secrets in GitHub Actions

  • Store API keys, passwords securely
  • Access them using ${{ secrets.SECRET_NAME }}
  • Example:
jobs:
  deploy:
    steps:
      - run: echo "Deploying with ${{ secrets.API_KEY }}"

Matrix Strategy for Multiple Environments

jobs:
  test:
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - run: echo "Running on ${{ matrix.os }}"

Advanced Workflow Features

  • Caching dependencies
  • Running workflows conditionally
  • Handling workflow concurrency

Security Best Practices

  • Use GitHub’s OIDC authentication for cloud providers
  • Rotate secrets regularly
  • Restrict permissions of GitHub tokens

Monitoring Workflow Execution

  • View logs in GitHub Actions UI
  • Use job.status for conditional steps
jobs:
  test:
    steps:
      - run: echo "Running tests"
      - if: failure()
        run: echo "Tests failed!"

What are GitHub Runners?

  • Machines that execute workflows
  • Two types:
    • GitHub-hosted (Linux, macOS, Windows)
    • Self-hosted (Custom machine or cloud server)

How to Create a Self-hosted Runner

  1. Go to GitHub repository settings
  2. Navigate to Actions > Runners
  3. Download and configure the runner
  4. Start the runner and register it with GitHub

Example Use Cases

  • Running automated tests
  • Deploying applications
  • Deploy Previews for Every Pull Request

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Example Use Cases

  • Automated UI Demo Creation (GIFs & Videos)
  • Auto-Generate Custom Avatars for Users
  • Automated Web Scraping and Data Collection
  • Auto-Sync Forked Repositories
  • Run Auto-Refactoring Scripts
  • Auto-update Dependencies Across Multiple Repositories

Example Use Cases

  • Automate Image Optimization
  • Run Custom AI/ML Model Inference
  • Check for Broken Links in Documentation
  • Generate Graphs and Analytics
  • Detect Duplicate Code and Generate Reports
  • Enforce Coding Standards

Example Use Cases

  • Run Code Quality Analysis on Each Pull Request
  • Monitor and Report Code Vulnerabilities
  • Automated Feature Flag Management
  • Create or Update GitHub Pages Automatically
  • Deploy to Multi-Cloud Environments
  • Run Stress Tests on the Codebase

Example Use Cases

  • Create a Performance Benchmarking Pipeline
  • Automated Merge Conflict Detection
  • Personalized Onboarding for New Contributors
  • Convert Documentation to Different Formats
  • Sending notifications (Slack, Email)
  • Trigger a Workflow on a Specific Day or Time

Example Use Cases

  • Trigger Auto-Deploys Based on Custom Labels
  • Automating documentation generation
  • Enforce Versioning Standards
  • Automate Software Licensing Checks
  • Auto-generate Release Notes
  • Run Cryptocurrency or Blockchain-related Jobs

Example Use Cases

  • Running security scans
  • Auto release Android(apk) and iOS release

GitHub Actions != CI/CD

GitHub Actions is often viewed primarily as a CI/CD tool, It can automate all sorts of tasks throughout the software development lifecycle, from ideation to production and even beyond.

Brew Coffee by GitHub Actions

Brew a coffee as a gift once the official developers of the project make a successful, error-free commit.

Cool builds

Using GitHub Actions to Brew Coffee Hacking Bluetooth to Brew Coffee on GitHub Actions Part 1

Real-World Examples

  1. https://github.com/BaseMax/React-Auto-Build-GitHub-Actions
  2. https://github.com/BaseMax/github-actions-nextjs-build-deploy
  3. https://github.com/BaseMax/AndroidAutoBuildAPK
  4. https://github.com/BaseMax/GitHubAction-Jekyll-SFTP-Deploy-Password
  5. https://github.com/BaseMax/GitHubAction-SFTP-Deploy-Password
  6. https://github.com/BaseMax/AutoInviteToOrgByIssueComment

Real-World Examples

  1. https://github.com/BaseMax/AutoInviteToOrgByStar
  2. https://github.com/BaseMax/github-actions-cpanel-php-ftp
  3. https://github.com/BaseMax/github-actions-compile-golang
  4. https://github.com/BaseMax/github-actions-compile-c
  5. https://github.com/BaseMax/github-actions-update-push
  6. https://github.com/BaseMax/github-actions-create-tag

Real-World Examples

  1. https://github.com/BaseMax/github-actions-upload-temp-file
  2. https://github.com/BaseMax/github-actions-create-release
  3. https://github.com/BaseMax/github-actions-monitor-issues
  4. https://github.com/BaseMax/github-actions-run-docker-compose
  5. https://github.com/BaseMax/github-actions-run-dockerfile
  6. https://github.com/BaseMax/github-actions-compile-rust

Real-World Examples

  1. https://github.com/BaseMax/github-actions-react-deploy-tailwindcss-sftp
  2. https://github.com/BaseMax/github-actions-react-deploy-linux-sftp
  3. https://github.com/BaseMax/github-actions-react-build-linux-sftp
  4. https://github.com/BaseMax/github-actions-file-linux-ssh-sftp

Q&A

Let's discuss! 🚀

Repository: github.com/BaseMax/github-actions-tehlug

Linkedin: linkedin.com/in/maxbase

Email: [email protected]

Telegram: t.me/MAX_BASE