Docker #1

	name: Docker

	on:
	workflow_dispatch: # allows to be run manually
	push:
	tags:
	- '*'
	pull_request:
	branches:
	- 'main'

	jobs:
	build_and_push:
	name: Build and push Docker image to Docker Hub or GHCR
	runs-on: ubuntu-latest
	env:
	push_to_docker_hub: ${{ secrets.DOCKER_USERNAME != null && secrets.DOCKER_PASSWORD != null }}
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: Docker meta
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.push_to_docker_hub == 'true' && 'eventyay-talk/standalone' \|\| format('ghcr.io/{0}', github.repository) }}

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Login to DockerHub
	if: github.event_name != 'pull_request' && env.push_to_docker_hub == 'true'
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Login to GHCR
	if: github.event_name != 'pull_request' && env.push_to_docker_hub == 'false'
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push
	uses: docker/build-push-action@v5
	with:
	context: .
	platforms: linux/amd64,linux/arm64
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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