chore: 添加缓存匹配条数的环境变量 #3

	name: GHCR CI

	on:
	push:
	branches: [main]
	workflow_dispatch:

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

	steps:
	- name: lowercase repository name
	run: echo "IMAGE_NAME=${GITHUB_REPOSITORY@L}" >> ${GITHUB_ENV}

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

	- name: Read version from file
	id: version
	run: echo "VERSION=$(cat version.txt \| grep version= \| cut -d= -f2)" >> $GITHUB_OUTPUT

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

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

	- name: Build and push Docker image
	uses: docker/build-push-action@v6
	with:
	context: .
	push: true
	tags: \|
	ghcr.io/${{ env.IMAGE_NAME }}:latest
	ghcr.io/${{ env.IMAGE_NAME }}:${{ steps.version.outputs.VERSION }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

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