git-webhook/app.py

from flask import Flask, request
import subprocess
import json

app = Flask(__name__)

@app.route('/webhook', methods=['POST'])
def webhook():
    # Check if the received webhook is from Git
    if request.headers.get('X-GitHub-Event') == 'push':
        # Pull the latest changes from Git
        subprocess.run(['git', 'pull'])
        
        # Restart the example_app
        subprocess.run(['systemctl', 'restart', 'restart_this_app.service'])

        return 'Success!', 200
    else:
        return 'Invalid webhook event.', 400

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=5001)