app.py

from flask import Flask, jsonify
from flask_cors import CORS

app = Flask(__name__)
CORS(app)

@app.route('/api/data')
def get_data():
    data = {
        "nodes": [
            {"id": "1", "data": {"label": "Node 1"}, "position": {"x": 100, "y": 100}},
            {"id": "2", "data": {"label": "Node 2"}, "position": {"x": 300, "y": 200}}
        ],
        "edges": [
            {"id": "e1-2", "source": "1", "target": "2"}
        ]
    }
    return jsonify(data)
    
@app.route('/hello')
def hello():
    return 'Hello, World!'

@app.route('/', defaults={'path': ''})
@app.route('/<path:path>')
def serve(path):
    if path != "" and os.path.exists(app.static_folder + '/' + path):
        return send_from_directory(app.static_folder, path)
    else:
        return send_from_directory(app.static_folder, 'index.html')

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=7860)