Optimize Docker build context to fix slow compose up times in Copilot sessions #363

	---
	on:
	pull_request:
	branches:
	- master
	- main
	paths:
	- '_posts/**'
	- 'content/**'
	- 'assets/**'
	- 'src/**'
	- 'index.md'
	- '_includes/**'
	- '_data/**'
	- '_image_sources/**'
	- 'galleries/**'
	- 'navigation_and_indexes/**'
	- 'products/**'
	- '.github/workflows/on_push_to_master_test_and_deploy.yaml'
	- '.github/workflows/on_call_build_site.yaml'
	- '.github/workflows/on_call_staging_test.yaml'
	- 'package.json'
	- 'package-lock.json'
	- 'webpack.config.js'
	- 'favicon.png'
	- '.eleventy.*'
	- '_config.yml'
	- 'google*.html'
	- 'ads.txt'
	- 'Dockerfile'
	- 'docker-compose.yml'

	jobs:
	detect_base_image_changes:
	runs-on: ubuntu-latest
	outputs:
	changed: ${{ steps.changes.outputs.any_changed }}
	steps:
	- uses: actions/checkout@v4

	- name: Check for base image related changes
	# tj-actions/changed-files v44.5.7
	uses: tj-actions/changed-files@c65cd883420fd2eb864698a825fc4162dd94482c
	id: changes
	with:
	files: \|
	Dockerfile
	package.json
	package-lock.json
	.github/workflows/on_call_build_site.yaml
	.github/workflows/on_pr_test.yaml

	build_site:
	needs: detect_base_image_changes
	uses: ./.github/workflows/on_call_build_site.yaml
	with:
	push_tag: >-
	${{ needs.detect_base_image_changes.outputs.changed == 'true'
	&& github.event.number \|\| '' }}

	staging_test:
	uses: ./.github/workflows/on_call_staging_test.yaml
	needs: build_site

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