feat: Allow setting environment variables from the URL #371 #21

	---
	name: 'Build Docker On Tag'

	on:
	push:
	branches:
	- bigip-server
	tags:
	- 'v[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
	workflow_dispatch: # Allows manual triggering from the GitHub UI

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: 'Checkout'
	uses: actions/checkout@v3

	- name: Prepare
	id: prep
	run: \|
	DOCKER_IMAGE=${{ secrets.DOCKER_USERNAME }}/${GITHUB_REPOSITORY#*/}

	# If this is a git tag, use the tag name as a docker tag
	if [[ $GITHUB_REF == refs/tags/* ]]; then
	VERSION=${GITHUB_REF#refs/tags/v}
	TAGS="${DOCKER_IMAGE}:${VERSION}"
	fi

	# If this is a git branch, use the branch name as a docker tag
	if [[ $GITHUB_REF == refs/heads/* ]]; then
	VERSION=${GITHUB_REF#refs/heads/}
	TAGS="${DOCKER_IMAGE}:${VERSION}"
	fi

	# If the VERSION looks like a version number, also tag as 'latest'
	if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
	TAGS="$TAGS,${DOCKER_IMAGE}:latest"
	fi

	# Set output parameters
	echo ::set-output name=tags::${TAGS}
	echo ::set-output name=docker_image::${DOCKER_IMAGE}

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

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

	- name: Login to DockerHub
	if: github.event_name != 'pull_request'
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Build
	uses: docker/build-push-action@v4
	with:
	builder: ${{ steps.buildx.outputs.name }}
	context: .
	file: ./Dockerfile
	platforms: linux/amd64,linux/arm64,linux/ppc64le
	push: true
	tags: ${{ steps.prep.outputs.tags }}

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