Bump alpine from 3.21.0 to 3.21.2 #186

	name: ci
	on:
	push:
	paths-ignore:
	- 'README.md'
	branches:
	- '**'

	jobs:
	buildx:
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Get Version
	id: get_version
	uses: battila7/[email protected]
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3
	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v3
	- name: Cache Docker layers
	uses: actions/cache@v4
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-
	- name: Available platforms
	run: echo ${{ steps.buildx.outputs.platforms }}
	- name: Build only
	uses: docker/build-push-action@v6
	with:
	context: .
	platforms: linux/amd64,linux/arm64,linux/ppc64le,linux/s390x,linux/386,linux/arm/v7,linux/arm/v6
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache-new
	- name: Move cache
	run: \|
	rm -rf /tmp/.buildx-cache
	mv /tmp/.buildx-cache-new /tmp/.buildx-cache

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