Expose an env variable to allow the auto creation of topics to be tur… #13

	name: Build and Push

	on:
	push:
	branches:
	- "main"

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1

	- name: Login to DockerHub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Declare variables
	id: vars
	shell: bash
	run: \|
	echo "::set-output name=tags_list::moeenz/docker-kafka-kraft:$(echo ${GITHUB_SHA} \| cut -c1-12),moeenz/docker-kafka-kraft:latest"

	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	push: true
	tags: ${{ steps.vars.outputs.tags_list }}

	- name: Image digest
	run: echo ${{ steps.docker_build.outputs.digest }}

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