Lowercase user email #218

	name: build image
	on:
	pull_request:
	push:
	branches:
	- master
	tags:
	- v*
	- stg-v*

	env:
	IMAGE_NAME: paritytech/polkadot-hub-app

	jobs:
	build_only:
	name: Build Docker image
	runs-on: ubuntu-latest
	steps:
	- name: Check out the repo
	uses: actions/checkout@v4

	- name: Build Docker image
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ./Dockerfile
	push: false
	build-args: \|
	VCS_REF="${{ github.sha }}"
	BUILD_DATE="$(date -u '+%Y-%m-%dT%H:%M:%SZ')"
	tags: \|
	${{ env.IMAGE_NAME }}:${{ github.sha }}
	${{ env.IMAGE_NAME }}:latest

	build_and_push:
	name: Build Docker image and push it to Docker Hub
	if: ${{ github.ref == 'refs/heads/master' \|\| github.ref_type == 'tag' }}
	runs-on: ubuntu-latest
	environment: master_and_tags
	steps:
	- name: Check out the repo
	uses: actions/checkout@v4

	- name: Prepare Docker environment
	run: \|
	echo IMAGE_TAG=$(if [ "$GITHUB_REF" == "refs/heads/master" ]; then echo "master-${GITHUB_SHA::7}"; else echo "$GITHUB_REF_NAME"; fi) >> $GITHUB_ENV
	echo $IMAGE_TAG
	echo "Docker image will be published with the tag: ${{ env.IMAGE_TAG }}!"

	- name: Log in to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USER }}
	password: ${{ secrets.DOCKERHUB_PASS }}

	- name: Build and push Docker image from master
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ./Dockerfile
	push: true
	build-args: \|
	VCS_REF="${{ github.sha }}"
	BUILD_DATE="$(date -u '+%Y-%m-%dT%H:%M:%SZ')"
	tags: \|
	${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
	${{ env.IMAGE_NAME }}:latest

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