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πŸ’‘Daily DevOps Tip

Day 27: Securely Manage Secrets in GitHub Actions

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One leaked API key can cost thousands β€” GitHub Actions secrets keep your credentials encrypted and safe.

# Step 1: Add secret in GitHub UI
# Settings > Secrets and variables > Actions > New repository secret
# Name: API_KEY  Value: sk-abc123...

# Step 2: Use in workflow
# .github/workflows/deploy.yml
name: Deploy
on:
  push:
    branches: [main]

jobs:
  deploy:
    runs-on: ubuntu-latest
    environment: production  # Uses environment-level secrets
    steps:
      - uses: actions/checkout@v4
      - name: Deploy to production
        run: |
          curl -X POST https://api.example.com/deploy \
            -H "Authorization: Bearer ${{ secrets.API_KEY }}" \
            -H "Content-Type: application/json"
        # Secret is masked as *** in logs automatically

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Git Fundamentals

14 lessons available

Master version control with Git. Learn branching, merging, and collaboration workflows.

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Docker Essentials

11 lessons available

Learn containerization with Docker. Build, ship, and run applications in isolated containers.

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15 lessons available

Master container orchestration. Deploy, scale, and manage containerized applications.

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8 lessons available

Master the command line with Linux and Bash. Learn file operations, text processing, and scripting.

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16 lessons available

Automate build, test, and deployment pipelines. Learn GitHub Actions and deployment strategies.

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Full CI/CD Pipeline Project

Build a complete production-ready pipeline from scratch. Take a Node.js app from code commit through automated testing, Docker containerization, and Kubernetes deployment using GitHub Actions.

Advanced
90 minutes
15 steps

Prerequisites:

Git🐳 Docker☸️ KubernetesπŸ”„ CI/CD
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