Hopefully fixing Docker issue #406

	# This is a basic workflow to help you get started with Actions

	name: CI

	# Controls when the workflow will run
	on:
	# Triggers the workflow on push or pull request events but only for the main branch
	push:
	branches: [main]
	pull_request:

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	ormolu:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: haskell-actions/run-ormolu@v17

	build:
	name: Build Docker Image
	runs-on: ubuntu-latest
	permissions:
	packages: write
	needs:
	- ormolu
	if: success()
	steps:
	- uses: actions/checkout@v3

	- name: Log in to the Container registry
	uses: docker/login-action@v2
	if: github.event_name != 'pull_request' # don't need to login if we're not pushing
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Get Docker Metadata
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ghcr.io/${{ github.repository }}
	tags: \| # tag with commit hash and with 'latest'
	type=sha
	type=raw,value=latest,enable={{is_default_branch}}

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Build and Push Docker image
	uses: docker/build-push-action@v3
	with:
	context: .
	push: ${{ github.event_name != 'pull_request' }} # dont push on a pull request
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

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