Refresh Docker cache #220

	# This workflow runs weekly. Its purpose is to rebuild the base Docker images
	# to get the latest security updates and versions of Python dependencies
	# (otherwise the regular CI workflow will continue to use the existing base
	# images).

	name: Refresh Docker cache

	on:
	workflow_dispatch:
	schedule:
	- cron: "0 4 * * MON"

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: Build the dependencies Docker image without caching
	run: \|
	DOCKER_BUILDKIT=1 docker build \
	--build-arg BUILDKIT_INLINE_CACHE=1 \
	--target dependencies \
	--no-cache \
	--tag lsstsqre/lsst-texmf:dependencies .

	- name: Build the base Docker image (for pushing as a separate tag)
	run: \|
	DOCKER_BUILDKIT=1 docker build \
	--build-arg BUILDKIT_INLINE_CACHE=1 \
	--target base \
	--tag lsstsqre/lsst-texmf:base .

	- name: Log into Docker Hub
	run: echo ${{ secrets.DOCKER_TOKEN }} \| docker login --username ${{ secrets.DOCKER_USERNAME }} --password-stdin

	- name: Push Docker images
	run: \|
	docker push lsstsqre/lsst-texmf:base
	docker push lsstsqre/lsst-texmf:dependencies

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