Merge pull request #178 from takonomura/cache-extracted #243

	name: Build Docker image (sha)
	on:
	push:
	branches:
	- "**"

	jobs:
	docker-build-sha:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- uses: docker/setup-qemu-action@v1
	- uses: docker/setup-buildx-action@v1
	- name: Cache Docker layers
	uses: actions/cache@v3
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-
	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- uses: docker/metadata-action@v3
	id: meta
	with:
	images: ghcr.io/whywaita/myshoes
	tags: \|
	type=sha
	- name: Build container image
	uses: docker/build-push-action@v2
	with:
	push: true
	tags: ${{ steps.meta.outputs.tags }}

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