Update Map Every 12 Hours #3

	# .github/workflows/update_map.yml
	name: Update Map Every 12 Hours

	on:
	workflow_dispatch: # Allow manual trigger
	schedule:
	# Cron syntax, '0 /12 * *' means run every 12 hours (at 00:00 and 12:00 UTC)
	- cron: '0 /12 * *'

	jobs:
	build-and-commit:
	runs-on: ubuntu-latest
	permissions:
	contents: write # Grant write permissions

	steps:
	# Step 1: Check out your repository code
	- name: Check out repo
	uses: actions/checkout@v4

	# Step 2: Set up Python environment
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.10'

	# Step 3: Install Python dependencies
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install matplotlib pandas geopandas

	# Step 4: Run your Python script to generate the map
	- name: Generate map
	run: python generate_map.py

	# Step 5: Update README with a cache-busting query
	- name: Update README
	run: \|
	# Use sed to find the markdown image link and append a timestamp
	timestamp=$(date +%s)
	sed -i "s\|(!\[My Real-time Map\](map.png))[?a-zA-Z0-9=]*\|\1?timestamp=${timestamp}\|g" README.md

	# Step 6: Commit the updated map and README file
	- name: Commit and push if it changed
	uses: stefanzweifel/git-auto-commit-action@v5
	with:
	commit_message: 'CI: Auto-update map and README'
	file_pattern: 'map.png README.md'
	commit_user_name: 'GitHub Actions Bot'
	commit_user_email: 'actions@github.com'
	commit_author: 'GitHub Actions Bot <actions@github.com>'

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