my-notes

Automated_Deployments

1 min read

Automated Deployments

Deploy automatically with GitHub Actions.

📊 Deployment Flow

graph LR
    A[Push to main] --> B[Run Tests]
    B --> C[Build]
    C --> D[Deploy Staging]
    D --> E[Run E2E]
    E --> F[Deploy Production]

🚀 Basic Deploy Workflow

name: Deploy

on:
  push:
    branches: [main]

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: npm install
      - run: npm run build
      - run: npm run deploy

🌐 Deploy to GitHub Pages

name: Deploy to GitHub Pages

on:
  push:
    branches: [main]

jobs:
  deploy:
    runs-on: ubuntu-latest
    permissions:
      pages: write
      id-token: write
    environment:
      name: github-pages
    steps:
      - uses: actions/checkout@v4
      - run: npm install && npm run build
      - uses: actions/upload-pages-artifact@v3
        with:
          path: ./dist
      - uses: actions/deploy-pages@v4

☁️ Deploy to AWS S3

- name: Deploy to S3
  env:
    AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
    AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
  run: |
    aws s3 sync ./dist s3://my-bucket --delete

Syncs build to S3 bucket.

🔷 Deploy to Vercel

- name: Deploy to Vercel
  uses: amondnet/vercel-action@v25
  with:
    vercel-token: ${{ secrets.VERCEL_TOKEN }}
    vercel-org-id: ${{ secrets.ORG_ID }}
    vercel-project-id: ${{ secrets.PROJECT_ID }}

Deploy to Vercel.

🐳 Deploy with Docker

- name: Build and Push Docker
  run: |
    docker build -t myapp:${{ github.sha }} .
    docker push myapp:${{ github.sha }}

Builds and pushes Docker image.

🔐 Environment Protection

jobs:
  deploy-production:
    runs-on: ubuntu-latest
    environment:
      name: production
      url: https://myapp.com

Uses protected environment.

📊 Deployment Strategies

Blue-Green

- name: Switch traffic
  run: |
    # Deploy to green
    # Switch load balancer to green
    # Remove blue

Canary

- name: Canary deploy
  run: |
    # Deploy to 10% of servers
    # Monitor
    # If good, deploy to 100%

🔧 CLI Commands

List Deployments

gh api repos/{owner}/{repo}/deployments

Shows deployments.

Create Deployment

gh api repos/{owner}/{repo}/deployments -X POST \
  -f ref="main" \
  -f environment="production"

Creates deployment.

💡 Tips

Use Environments

Configure environments in repo settings with required reviewers.

Rollback

Tag each deploy and re-run previous tag's workflow.

🔗 Related

#github #deploy #automation #cicd

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