實戰：GitOps 部署流水線

Vibe Prompt

「幫我建立一個完整的 GitOps 部署流程：GitHub 推送 → CI 建置 Image → Image Updater → ArgoCD 同步 → K8s 部署。」

完整 GitHub Actions

name: Build & Push

on:
  push:
    branches: [main]
    paths-ignore:
      - 'k8s/**'  # 避免無限循環

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - uses: actions/checkout@v4
      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - uses: docker/build-push-action@v5
        with:
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:${{ github.sha }}
            ghcr.io/${{ github.repository }}:latest

目錄結構

myapp/
├── .github/workflows/build.yml
├── src/
├── Dockerfile
└── k8s/
    ├── base/
    │   ├── deployment.yaml  # image: ghcr.io/myorg/myapp:latest
    │   ├── service.yaml
    │   └── kustomization.yaml
    └── overlays/
        └── production/
            └── kustomization.yaml

課程總結

GitOps 課程完成！

• ✅ GitOps 核心思想
• ✅ ArgoCD 安裝與管理
• ✅ Kustomize 多環境
• ✅ Image Updater
• ✅ 完整 GitOps 流水線