naglowek i mod healthchecka

app.py

@@ -20,6 +20,14 @@ from sqlalchemy.engine import Engine
 from decimal import Decimal, InvalidOperation
 from flask import request, flash, abort
 
+# do liczenia stats app
+import psutil
+import os
+
+app_start_time = datetime.now()
+request_counter = 0
+
+
 try:
     from zoneinfo import ZoneInfo  # Python 3.9+
 except ImportError:
@@ -204,6 +212,12 @@ class UstawieniaGlobalne(db.Model):
     kolejnosc_rezerwowych = db.Column(db.String(20), default="id", nullable=False) 
 
 
+# Middleware do liczenia requestów
+@app.before_request
+def count_requests():
+    global request_counter
+    request_counter += 1
+
 @login_manager.user_loader
 def load_user(user_id):
     return db.session.get(Uzytkownik, int(user_id))
@@ -920,6 +934,12 @@ def apply_headers(response):
             response.make_conditional(request)
         return response
 
+    if request.path == '/healthcheck':
+        response.headers['Cache-Control'] = 'no-store, no-cache'
+        response.headers.pop('ETag', None)
+        response.headers.pop('Vary', None)
+        return response
+
     path_norm = request.path.lstrip("/")
     czy_admin = path_norm.startswith("admin/") or path_norm == "admin"
 
@@ -1622,10 +1642,25 @@ def favicon():
 def healthcheck():
     header_token = request.headers.get("X-Internal-Check")
     correct_token = app.config.get("HEALTHCHECK_TOKEN")
-
+    
     if header_token != correct_token:
         abort(404)
-    return "OK", 200
+    
+    # Metryki
+    uptime = datetime.now() - app_start_time
+    uptime_str = str(uptime).split('.')[0]  # bez mikrosekund
+    
+    process = psutil.Process(os.getpid())
+    memory_mb = process.memory_info().rss / 1024 / 1024
+    
+    response_data = {
+        "status": "OK",
+        "uptime": uptime_str,
+        "memory_mb": round(memory_mb, 2),
+        "requests": request_counter
+    }
+    
+    return response_data, 200
 
 
 if __name__ == "__main__":