Fix null reference error in ValidatorManagerImpl::prepare_stats #293

	name: Docker Ubuntu 22.04 branch image

	on:
	workflow_dispatch:
	push:
	branches-ignore:
	- master

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	build-and-push:
	runs-on: ubuntu-22.04
	steps:
	- name: Check out repository
	uses: actions/checkout@v3
	with:
	submodules: 'recursive'

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3.5.0

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3.10.0
	with:
	driver-opts: image=moby/buildkit:v0.11.0

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and export to Docker
	uses: docker/build-push-action@v6
	with:
	load: true
	context: ./
	tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:test

	- name: Test
	run: \|
	docker run --rm -e "TEST=1" ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:test

	- name: Get tag as branch name
	id: tag
	run: \|
	echo "TAG=${GITHUB_REF##*/}" >> $GITHUB_OUTPUT

	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v6
	with:
	platforms: linux/amd64,linux/arm64
	push: true
	context: ./
	tags: \|
	${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.TAG }}

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