build(deps): Bump alpine from 3.20.3 to 3.21.0 #133

	name: Docker
	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	env:
	IMAGE: minback/mysql

	jobs:
	test:
	runs-on: ubuntu-latest
	if: github.event_name == 'pull_request'

	steps:
	- uses: actions/checkout@v4

	- name: Build Dockerfile
	run: docker build . --file Dockerfile

	push:

	runs-on: ubuntu-latest
	if: github.event_name == 'push'

	steps:
	- uses: actions/checkout@v4

	- name: Build image
	run: docker build . --file Dockerfile --tag image

	- name: Log into registries
	run: \|
	echo "${{ secrets.GITHUB_TOKEN }}" \| docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin
	echo "${{ secrets.DOCKER_HUB }}" \| docker login -u ${{ secrets.DOCKER_HUB_USERNAME }} --password-stdin

	- name: Calculate version number
	id: version
	run: \|
	VERSION=$(git describe --tags 2>/dev/null \|\| git rev-parse --short HEAD)
	echo "::set-output name=version::$VERSION"

	- name: Push image to GitHub
	run: \|
	IMAGE_ID=docker.pkg.github.com/${{ github.repository }}/${{ github.event.repository.name }}
	IMAGE_ID=$(echo $IMAGE_ID \| tr '[A-Z]' '[a-z]')
	docker tag image $IMAGE_ID:latest
	docker push $IMAGE_ID:latest
	docker tag image $IMAGE_ID:${{ steps.version.outputs.version }}
	docker push $IMAGE_ID:${{ steps.version.outputs.version }}

	- name: Push image to Docker Hub
	run: \|
	IMAGE_ID=${{ env.IMAGE }}
	echo IMAGE_ID=$IMAGE_ID
	docker tag image $IMAGE_ID:latest
	docker push $IMAGE_ID:latest
	docker tag image $IMAGE_ID:${{ steps.version.outputs.version }}
	docker push $IMAGE_ID:${{ steps.version.outputs.version }}

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