my-component-project/
├── templates/
│   ├── secret-detection.yml      # Component 1
│   ├── docker-build.yml          # Component 2
│   └── deploy-k8s.yml            # Component 3
├── README.md                      # Documentation
└── .gitlab-ci.yml                 # Test pipeline

# templates/docker-build.yml
# ระบุ spec สำหรับ inputs
spec:
  inputs:
    stage:
      default: build
      description: "Stage ที่จะ run job"
    image-name:
      default: $CI_REGISTRY_IMAGE
      description: "ชื่อ Docker image"
    dockerfile:
      default: Dockerfile
      description: "Path ไป Dockerfile"
    tags:
      default: ["docker"]
      type: array
      description: "Runner tags"

---
# Component implementation
build-image:
  stage: $[[ inputs.stage ]]
  image: docker:24
  services:
    - docker:24-dind
  tags: $[[ inputs.tags ]]
  script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - docker build -t $[[ inputs.image-name ]]:$CI_COMMIT_SHA -f $[[ inputs.dockerfile ]] .
    - docker push $[[ inputs.image-name ]]:$CI_COMMIT_SHA
  rules:
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH

# templates/deploy.yml
spec:
  inputs:
    # String input พร้อม default
    stage:
      default: deploy
      description: "Stage name for deployment"
      
    # String ที่จำเป็นต้องระบุ
    environment:
      description: "Target environment (required)"
      
    # Array input
    tags:
      type: array
      default: ["kubernetes"]
      
    # Boolean input
    enable-cache:
      type: boolean
      default: true
      
    # Number input
    replicas:
      type: number
      default: 2
      
    # Options (enum)
    strategy:
      type: string
      options:
        - rolling
        - blue-green
        - canary
      default: rolling

---
deploy:
  stage: $[[ inputs.stage ]]
  tags: $[[ inputs.tags ]]
  script:
    - kubectl set image deployment/app app=$CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
    - kubectl scale deployment/app --replicas=$[[ inputs.replicas ]]
  environment:
    name: $[[ inputs.environment ]]

# templates/line-notify.yml - ส่ง notification ไป LINE
spec:
  inputs:
    stage:
      default: notify
    message:
      description: "ข้อความที่จะส่ง"
    token-variable:
      default: LINE_NOTIFY_TOKEN
      description: "Environment variable ที่เก็บ token"

---
notify-line:
  stage: $[[ inputs.stage ]]
  image: curlimages/curl
  script:
    - |
      curl -X POST https://notify-api.line.me/api/notify \
        -H "Authorization: Bearer ${$[[ inputs.token-variable ]]}" \
        -d "message=$[[ inputs.message ]]"
  rules:
    - when: on_success