from flask import Flask, Response
from prometheus_client import Counter, generate_latest

app = Flask(__name__)

# Создаем счётчик запросов к корневому эндпоинту
REQUEST_COUNT = Counter('app_requests_total', 'Total app HTTP requests', ['method', 'endpoint'])

@app.route('/')
def hello_world():
    REQUEST_COUNT.labels(method='GET', endpoint='/').inc()
    return 'Hello, World!'

@app.route('/metrics')
def metrics():
    return Response(generate_latest(), mimetype='text/plain')

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=5000)