Docker image build #622

	name: Docker image build

	on:
	push:
	tags:
	- 'v*'
	schedule:
	# Every day at midnight (UTC).
	- cron: '0 0 * * *'

	defaults:
	run:
	shell: bash

	env:
	DOCKER_REPO: lightninglabs
	DOCKER_IMAGE: lnd

	jobs:
	main:
	runs-on: ubuntu-latest
	steps:
	- name: Set up QEMU
	uses: lightninglabs/gh-actions/[email protected]

	- name: Set up Docker Buildx
	uses: lightninglabs/gh-actions/[email protected]

	- name: Login to DockerHub
	uses: lightninglabs/gh-actions/[email protected]
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_API_KEY }}

	- name: Set env
	run: \|
	echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
	echo "IMAGE_TAG=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV

	- name: Set daily tag
	if: github.event.schedule == '0 0 * * *'
	run: \|
	echo "RELEASE_VERSION=master" >> $GITHUB_ENV
	echo "IMAGE_TAG=daily-testing-$(date -u +%Y%m%d),${DOCKER_REPO}/${DOCKER_IMAGE}:daily-testing-only" >> $GITHUB_ENV

	- name: Build and push
	id: docker_build
	uses: lightninglabs/gh-actions/[email protected]
	with:
	push: true
	platforms: linux/amd64,linux/arm64
	tags: "${{ env.DOCKER_REPO }}/${{ env.DOCKER_IMAGE }}:${{ env.IMAGE_TAG }}"
	build-args: checkout=${{ env.RELEASE_VERSION }}

	- name: Image digest
	run: echo ${{ steps.docker_build.outputs.digest }}

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