update README for release 1.2.20. #106

	name: Release

	on:
	push:
	tags:
	- '*'

	jobs:
	build-and-push-docker-image:
	runs-on: ubuntu-latest
	name: Docker Build, Tag, Push
	steps:
	-
	name: Checkout
	uses: actions/checkout@v4

	-
	name: Log in to ghcr
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ github.token }}

	-
	name: Login to DockerHub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	-
	if: startsWith(github.ref, 'refs/heads/main')
	run: echo "TAG=latest" >> $GITHUB_ENV

	-
	if: startsWith(github.ref, 'refs/tags')
	run: echo "TAG=$(git describe --tags)" >> $GITHUB_ENV

	-
	name: build image
	uses: docker/build-push-action@v6
	with:
	context: ./docker
	file: ./docker/Dockerfile
	build-args: TAG=${{ env.TAG }}
	push: false
	tags: \|
	${{ github.repository }}:latest
	${{ github.repository }}:${{ env.TAG }}
	ghcr.io/${{ github.repository }}:latest
	ghcr.io/${{ github.repository }}:${{ env.TAG }}

	- name: trivy image scan
	uses: aquasecurity/trivy-action@0.24.0
	with:
	image-ref: ${{ github.repository }}:latest
	exit-code: 0
	severity: UNKNOWN,LOW,MEDIUM

	-
	name: push image
	uses: docker/build-push-action@v6
	with:
	context: ./docker
	file: ./docker/Dockerfile
	build-args: TAG=${{ env.TAG }}
	push: true
	tags: \|
	${{ github.repository }}:latest
	${{ github.repository }}:${{ env.TAG }}
	ghcr.io/${{ github.repository }}:latest
	ghcr.io/${{ github.repository }}:${{ env.TAG }}

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