from flask import Flask, jsonify
from flask_cors import CORS
import redis

app = Flask(__name__)
CORS(app)

# Connect to Redis (running in a separate container and foldr)
redis_client = redis.StrictRedis(host='redis-service', port=6379, decode_responses=True)

@app.route('/counter', methods=['GET'])
def counter():
    try:
        visits = redis_client.incr('visits')
        print(f"[INFO] Visit count: {visits}")
        return jsonify({"visits": visits})
    except Exception as e:
        print(f"[ERROR] Redis connection failed: {e}")
        return jsonify({"error": "Could not connect to Redis"}), 500

if __name__ == '__main__':
    app.run(debug=True, host='0.0.0.0', port=80)