Ruby updates (#399) #32

	name: Build docker image
	on:
	# schedule:
	# - cron: '0 0 /3 *' # @at 0h0m0s every 3 days
	release:
	types: [created]
	push:
	branches: [master, main]
	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0 # Fetch all history for all branches and tags
	#
	- name: Prepare
	id: prep
	run: \|
	if [[ $GITHUB_EVENT_NAME == schedule ]]; then
	sudo apt-get update -y
	sudo apt-get install -y curl jq

	LATEST_TAG=$(curl -sSL https://api.github.com/repos/mersea/mersea/releases/latest \| jq -r .tag_name)
	git checkout $LATEST_TAG
	export GITHUB_REF=refs/tags/$LATEST_TAG
	fi

	#
	#
	#

	DOCKER_IMAGE=mersea/mersea

	VERSION=edge
	if [[ $GITHUB_REF == refs/heads/* ]]; then
	# Branch name
	VERSION=${GITHUB_REF#refs/heads/}
	fi
	if [[ $GITHUB_REF == refs/tags/* ]]; then
	# Tag name
	VERSION=${GITHUB_REF#refs/tags/}
	fi

	TAGS="${DOCKER_IMAGE}:${VERSION}"
	if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
	TAGS="$TAGS,${DOCKER_IMAGE}:latest"
	fi

	echo ::set-output name=tags::${TAGS}
	#
	- 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: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	file: Dockerfile
	context: .
	push: true
	tags: ${{ steps.prep.outputs.tags }}

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