Update app.py

app.py

@@ -1,7 +1,7 @@
-from flask import Flask, jsonify
+from flask import Flask, jsonify, send_from_directory
 from flask_cors import CORS
 
-app = Flask(__name__)
+app = Flask(__name__, static_folder='build')
 CORS(app)
 
 @app.route('/api/data')
@@ -19,5 +19,13 @@ def get_data():
     }
     return jsonify(data)
 
+@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(debug=True, port=7860)