switch to debian in docker

app/__init__.py

@@ -1,11 +1,12 @@
-from dotenv import load_dotenv
+import time
 from pathlib import Path
+
+from dotenv import load_dotenv
 from flask import Flask, render_template, request, url_for
 from flask_login import current_user
-from werkzeug.middleware.proxy_fix import ProxyFix
-from dotenv import load_dotenv
 from sqlalchemy import inspect, text
-from sqlalchemy.exc import SQLAlchemyError
+from sqlalchemy.exc import OperationalError, SQLAlchemyError
+from werkzeug.middleware.proxy_fix import ProxyFix
 from config import Config
 from redis.exceptions import RedisError
 from app.cli import register_cli
@@ -30,7 +31,25 @@ def _ensure_column(table_name: str, column_name: str, ddl: str):
         db.session.commit()
 
 
+
+def _wait_for_database(app, attempts: int = 30, delay: float = 1.0) -> bool:
+    for attempt in range(1, attempts + 1):
+        try:
+            with db.engine.connect() as conn:
+                conn.execute(text('SELECT 1'))
+            if attempt > 1:
+                app.logger.info('Database became available after %s attempt(s).', attempt)
+            return True
+        except OperationalError:
+            app.logger.warning('Database not ready yet (%s/%s). Waiting...', attempt, attempts)
+            time.sleep(delay)
+    return False
+
 def _bootstrap_database(app):
+    if not _wait_for_database(app):
+        app.logger.error('Database is still unavailable after waiting. Skipping bootstrap.')
+        return
+
     try:
         db.create_all()
         patches = [

app/services/system_data_service.py

@@ -8,6 +8,7 @@ from pathlib import Path
 import psutil
 from flask import current_app
 from sqlalchemy import inspect
+from sqlalchemy.engine import make_url
 
 from app.extensions import db
 from app.models.audit_log import AuditLog
@@ -199,19 +200,52 @@ class SystemDataService:
                 continue
             count = db.session.execute(db.select(db.func.count()).select_from(table)).scalar() or 0
             table_rows.append({'table': table_name, 'rows': int(count)})
+
         uri = current_app.config.get('SQLALCHEMY_DATABASE_URI', '')
         sqlite_path = None
         sqlite_size = None
+        db_driver = None
+        db_host = None
+        db_port = None
+        db_name = None
+        db_user = None
+
+        try:
+            url = make_url(uri)
+            db_driver = url.drivername
+            db_host = url.host
+            db_port = url.port
+            db_name = url.database
+            db_user = url.username
+        except Exception:
+            pass
+
         if uri.startswith('sqlite:///') and not uri.endswith(':memory:'):
             sqlite_path = uri.replace('sqlite:///', '', 1)
             try:
                 sqlite_size = self._human_size(Path(sqlite_path).stat().st_size)
             except FileNotFoundError:
                 sqlite_size = 'brak pliku'
+
+        if engine.name == 'sqlite':
+            db_label = 'SQLite'
+        elif engine.name == 'postgresql':
+            db_label = 'PostgreSQL'
+        elif engine.name == 'mysql':
+            db_label = 'MySQL'
+        else:
+            db_label = engine.name
+
         table_rows_sorted = sorted(table_rows, key=lambda item: (-item['rows'], item['table']))
         return {
             'engine': engine.name,
+            'engine_label': db_label,
+            'driver': db_driver,
             'uri': self._mask_uri(uri),
+            'host': db_host,
+            'port': db_port,
+            'database': db_name,
+            'username': db_user,
             'tables_count': len(table_rows),
             'sqlite_path': sqlite_path,
             'sqlite_size': sqlite_size,