Build and Push Docker Image #3

	name: Build and Push Docker Image

	on:
	push:
	tags:
	- 'v*'

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Log in to GHCR
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ghcr.io/${{ github.repository }}
	tags: \|
	# 1. 永远生成一个以 Tag 命名的镜像 (如 v1.0.0 或 v1.1.0-beta)
	type=ref,event=tag
	# 2. 只有当 Tag 不包含 '-' (即不是 v1.0.0-alpha 这种预发布版) 时，才打上 latest 标签
	type=raw,value=latest,enable=${{ !contains(github.ref_name, '-') }}

	- name: Build and push Docker image
	uses: docker/build-push-action@v5
	with:
	context: .
	push: true
	# 使用上面生成的 tags
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

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