add DUMP_OVERLAYS_TO env var #29

	name: cmp plugin

	on:
	push:
	tags:
	- "v*"

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	steps:
	- name: Login to Docker Hub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- uses: actions/checkout@v3

	- name: Get Version
	id: get_version
	run: echo "VERSION=${GITHUB_REF##*/}" >> "${GITHUB_OUTPUT}"

	- name: Build and push
	env:
	VERSION: ${{ steps.get_version.outputs.VERSION }}
	run: \|
	IMAGE=docker.io/${{ secrets.DOCKERHUB_USERNAME }}/${{ secrets.DOCKERHUB_REPOSITORY }}
	echo version=$VERSION
	cat docker/Dockerfile-cmp
	docker build . -t $IMAGE:$VERSION -t $IMAGE:latest -f docker/Dockerfile-cmp --build-arg VERSION=$VERSION
	docker push $IMAGE:$VERSION
	docker push $IMAGE:latest

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