docs: миграция на tgFlaskForm и производительность Flask; контур flask_app; UI без лишних описаний

Made-with: Cursor

flask_app/app/__init__.py

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+# -*- coding: utf-8 -*-
+import os
+import secrets
+
+from flask import Flask, jsonify
+
+
+def create_app() -> Flask:
+    app = Flask(
+        __name__,
+        instance_relative_config=True,
+        template_folder='templates',
+        static_folder='static',
+        static_url_path='/static',
+    )
+    sk = (os.environ.get('SECRET_KEY') or '').strip()
+    app.config['SECRET_KEY'] = sk or secrets.token_hex(32)
+
+    @app.route('/health')
+    def health():
+        return jsonify(status='ok', service='testing-flask-app')
+
+    @app.route('/')
+    def index():
+        from flask import render_template
+
+        return render_template('index.html')
+
+    return app