WIP: Make mock commit to test workflow #1

	# This workflow tests building an OpenFAST docker image for the linux/amd64 architecture on push to a release candidate
	# branch. The build cache is stored in GitHub actions.
	name: test-build-docker-image

	on:
	pull_request:
	branches:
	- main

	jobs:
	test-build:
	if: startsWith(github.head_ref, 'rc-')
	runs-on: ubuntu-latest
	timeout-minutes: 300
	env:
	DOCKERFILE_PATH: share/docker/openfast_ubuntu/Dockerfile
	steps:
	- name: Checkout
	uses: actions/checkout@v4

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

	- name: Extract tag from release candidate branch name
	id: extract-tag
	run: echo "openfast-tag=${"${{ github.head_ref }}":3}" >> $GITHUB_OUTPUT

	- name: Test building docker image
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ${{ env.DOCKERFILE_PATH }}
	platforms: linux/amd64
	push: false
	cache-from: type=gha
	cache-to: type=gha,mode=max

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