updated versions #11

	name: ci

	on:
	push:
	branches:
	- master


	jobs:
	build-linux:
	runs-on: ubuntu-latest
	env:
	IMAGE_NAME: jenkins/inbound-agent-linux

	steps:
	- uses: actions/checkout@v2

	- name: Login to GitHub Package Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GHCR_TOKEN }}

	- name: Build image
	run: docker build -f ./linux/Dockerfile -t $IMAGE_NAME ./linux

	- name: Push image to GitHub Container Registry
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

	# Change all uppercase to lowercase
	IMAGE_ID=$(echo $IMAGE_ID \| tr '[A-Z]' '[a-z]')

	# Strip git ref prefix from version
	VERSION=$(echo "${{ github.ref }}" \| sed -e 's,./$.$,\1,')

	# Strip "v" prefix from tag name
	[[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION \| sed -e 's/^v//')

	# Use Docker `latest` tag convention
	[ "$VERSION" == "master" ] && VERSION=latest

	echo IMAGE_ID=$IMAGE_ID
	echo VERSION=$VERSION

	docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
	docker push $IMAGE_ID:$VERSION

	docker tag $IMAGE_NAME $IMAGE_ID:1.0.$GITHUB_RUN_NUMBER
	docker push $IMAGE_ID:1.0.$GITHUB_RUN_NUMBER

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