fix: switch Dockerfile base image from python:3.13 to ubuntu:24.04 #33

	name: Build and publish sphinx-latex Docker image

	on:
	push:
	branches:
	- master
	paths:
	- ".devcontainer/**"
	pull_request:
	paths:
	- ".devcontainer/**"
	workflow_dispatch:

	permissions:
	contents: read
	packages: write

	jobs:
	build-and-publish:
	name: Build and publish sphinx-latex Docker image
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0

	- name: Login to GitHub Container Registry
	if: github.event_name != 'pull_request'
	uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata for Docker
	id: meta
	uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
	with:
	images: ghcr.io/${{ github.repository }}/sphinx-latex
	tags: \|
	type=raw,value=latest,enable={{is_default_branch}}
	type=sha,prefix=sha-

	- name: Build and publish Docker image
	uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v7.1.0
	with:
	context: .devcontainer
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=registry,ref=ghcr.io/${{ github.repository }}/sphinx-latex:latest
	cache-to: type=inline

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