Pin the Node minor version for Docker builds #2996

	# Based on https://github.com/matrix-org/dendrite/blob/master/.github/workflows/docker-hub.yml

	name: "Docker Hub - Latest"

	on:
	push:
	paths-ignore:
	- changelog.d/**'
	pull_request:
	branches: [ main ]
	paths-ignore:
	- changelog.d/**'
	merge_group:


	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: false

	env:
	DOCKER_NAMESPACE: halfshot
	PLATFORMS: linux/amd64
	PLATFORMS_PUSH: linux/amd64,linux/arm64
	# Only push if this is main, otherwise we just want to build
	PUSH: ${{ github.ref == 'refs/heads/main' }}

	jobs:
	docker-latest:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2
	- name: Log in to Docker Hub
	if: github.ref == 'refs/heads/main'
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_TOKEN }}
	- name: Build image
	uses: docker/build-push-action@v3
	with:
	context: .
	file: ./Dockerfile
	platforms: ${{ (env.PUSH == 'true' && env.PLATFORMS_PUSH) \|\| env.PLATFORMS }}
	push: ${{ env.PUSH }}
	tags: \|
	${{ env.DOCKER_NAMESPACE }}/matrix-hookshot:latest

	# arm64 builds OOM without the git fetch setting. c.f.
	# https://github.com/rust-lang/cargo/issues/10583
	build-args: \|
	CARGO_NET_GIT_FETCH_WITH_CLI=true

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