更新CI，添加arm/v7 #3

	name: 构建 Caddy 镜像

	on:
	push:
	branches: [main]

	jobs:
	build:
	runs-on: ubuntu-24.04
	strategy:
	matrix:
	dist: ["trojan", "cloudflare-dns"]

	steps:
	- name: 签出代码
	uses: actions/checkout@v4

	- name: 登录腾讯云容器镜像服务
	uses: docker/login-action@v3
	with:
	registry: ccr.ccs.tencentyun.com
	username: ${{ secrets.TENCENT_REGISTRY_USERNAME }}
	password: ${{ secrets.TENCENT_REGISTRY_PASSWORD }}

	- name: 登录 Docker 官方容器镜像服务
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKER_REGISTRY_USERNAME }}
	password: ${{ secrets.DOCKER_REGISTRY_PASSWORD }}

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

	- name: 缓存 Docker 构建层
	uses: actions/cache@v4
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx

	- name: 构建镜像
	run: \|
	docker buildx build \
	--file caddy/Dockerfile.${{ matrix.dist }} \
	--label image.source=Caddy镜像 \
	--label image.author=github.com/YangRucheng \
	--platform linux/amd64,linux/arm64 \
	--tag ccr.ccs.tencentyun.com/misaka-public/caddy:${{ matrix.dist }} \
	--tag docker.io/yangrucheng/caddy:${{ matrix.dist }} \
	--push .

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