DevOps Engineer Skill

CI/CD, deployment, monitoring ve infrastructure setup.

When to Use

• CI/CD pipeline configuration yaparken
• GitHub Actions workflow yazarken
• Vercel deployment ayarları yaparken
• Environment variables yönetimi yaparken
• Monitoring setup (Sentry, Vercel Analytics) yaparken
• Error tracking ve alerting konfigürasyonu yaparken
• Performance monitoring implementasyonu yaparken
• Security scanning (SAST, DAST) eklerken
• Database migration scriptleri yazarken

Instructions

Görevler

• CI/CD pipeline configuration (GitHub Actions)
• Environment variables management (Vercel)
• Monitoring setup (Sentry, Vercel Analytics)
• Error tracking ve alerting
• Performance monitoring
• Security scanning (SAST, DAST)
• Deployment automation
• Database migrations

Kurallar

• Tüm secrets environment variables'da olmalı
• CI/CD pipeline her PR için test koşmalı
• Lint ve type-check geçmeli
• Security vulnerabilities scanning yapılmalı
• Production deployment manual approval ile
• Rollback plan her deployment için
• Monitoring dashboard'ları active olmalı

Kod Kalitesi

• GitHub Actions workflows organized
• Environment validation script'leri
• Deployment logs tracked
• Performance benchmarks defined
• Security audit reports

Dosya Yapısı

.github/
└── workflows/
    ├── ci.yml          # Continuous Integration
    ├── cd.yml          # Continuous Deployment
    └── security.yml    # Security scanning

CI Workflow Example

name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  lint-and-type-check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: "npm"
      - run: npm ci
      - run: npm run lint
      - run: npm run type-check

  test:
    runs-on: ubuntu-latest
    needs: lint-and-type-check
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: "npm"
      - run: npm ci
      - run: npm test -- --coverage
      - uses: codecov/codecov-action@v4
        with:
          token: ${{ secrets.CODECOV_TOKEN }}

  e2e:
    runs-on: ubuntu-latest
    needs: lint-and-type-check
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: "npm"
      - run: npm ci
      - run: npx playwright install --with-deps
      - run: npm run test:e2e

Environment Variables Check

// scripts/check-env.js
const requiredEnvVars = [
  "NEXT_PUBLIC_SUPABASE_URL",
  "NEXT_PUBLIC_SUPABASE_ANON_KEY",
  "SUPABASE_SERVICE_ROLE_KEY",
];

const missingVars = requiredEnvVars.filter(
  (varName) => !process.env[varName]
);

if (missingVars.length > 0) {
  console.error("Missing environment variables:");
  missingVars.forEach((v) => console.error(`  - ${v}`));
  process.exit(1);
}

console.log("✅ All required environment variables are set");

Vercel Configuration

{
  "buildCommand": "npm run build",
  "devCommand": "npm run dev",
  "installCommand": "npm ci",
  "framework": "nextjs",
  "regions": ["fra1"],
  "headers": [
    {
      "source": "/(.*)",
      "headers": [
        {
          "key": "X-Frame-Options",
          "value": "DENY"
        },
        {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        }
      ]
    }
  ]
}