[release-20.0-rc] Release of `v20.0.0-RC1` (#16137) #818

	name: Docker Build vttestserver
	on:
	push:
	branches:
	- main
	tags:
	- '*'

	concurrency:
	group: format('{0}-{1}', ${{ github.ref }}, 'Docker Build vttestserver')
	cancel-in-progress: true

	permissions: read-all

	jobs:
	build_and_push:
	name: Build and push vitess/vttestserver Docker images
	runs-on: gh-hosted-runners-16cores-1
	if: github.repository == 'vitessio/vitess'

	strategy:
	fail-fast: true
	matrix:
	branch: [ mysql80 ]

	steps:
	- name: Check out code
	uses: actions/checkout@v4

	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Set Dockerfile path
	run: \|
	echo "DOCKERFILE=./docker/vttestserver/Dockerfile.${{ matrix.branch }}" >> $GITHUB_ENV

	- name: Build and push on main
	if: github.ref == 'refs/heads/main'
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ${{ env.DOCKERFILE }}
	push: true
	tags: vitess/vttestserver:${{ matrix.branch }}

	- name: Get the Git tag
	if: startsWith(github.ref, 'refs/tags/')
	run: echo "TAG_NAME=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV

	- name: Set Docker tag name
	if: startsWith(github.ref, 'refs/tags/')
	run: \|
	echo "DOCKER_TAG=vitess/vttestserver:${TAG_NAME}-${{ matrix.branch }}" >> $GITHUB_ENV

	- name: Build and push on tags
	if: startsWith(github.ref, 'refs/tags/')
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ${{ env.DOCKERFILE }}
	push: true
	tags: ${{ env.DOCKER_TAG }}

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