diff --git a/app/db/apps.py b/app/db/apps.py
index 799ff1a..fe4ba9c 100644
--- a/app/db/apps.py
+++ b/app/db/apps.py
@@ -35,51 +35,37 @@ def get_apps():
     ).fetchall()
 
     con.close()
-
     return [dict(row) for row in rows]
 
 
-def get_app(app_id: str):
+def update_app_resources(app_id: str, memory: str, cpus: str):
     con = get_connection()
 
-    row = con.execute(
+    con.execute(
         """
-        SELECT
-            id,
-            name,
-            language,
-            version,
-            status,
-            COALESCE(memory, '') AS memory,
-            COALESCE(cpus, '') AS cpus,
-            updated_at
-        FROM apps
+        UPDATE apps
+        SET memory = ?,
+            cpus = ?,
+            updated_at = CURRENT_TIMESTAMP
         WHERE id = ?
         """,
-        (app_id,),
-    ).fetchone()
+        (
+            memory or None,
+            cpus or None,
+            app_id,
+        ),
+    )
 
+    con.commit()
     con.close()
 
-    if not row:
-        return None
-
-    return dict(row)
-
 
 def get_deployments(limit: int = 100):
     con = get_connection()
 
     rows = con.execute(
         """
-        SELECT
-            id,
-            app_id,
-            kind,
-            status,
-            started_at,
-            finished_at,
-            returncode
+        SELECT id, app_id, kind, status, started_at, finished_at, returncode
         FROM deployments
         ORDER BY id DESC
         LIMIT ?
@@ -88,7 +74,6 @@ def get_deployments(limit: int = 100):
     ).fetchall()
 
     con.close()
-
     return [dict(row) for row in rows]
 
 
@@ -97,16 +82,7 @@ def get_deployment(deployment_id: int):
 
     row = con.execute(
         """
-        SELECT
-            id,
-            app_id,
-            kind,
-            status,
-            started_at,
-            finished_at,
-            returncode,
-            stdout,
-            stderr
+        SELECT id, app_id, kind, status, started_at, finished_at, returncode, stdout, stderr
         FROM deployments
         WHERE id = ?
         """,
@@ -114,8 +90,4 @@ def get_deployment(deployment_id: int):
     ).fetchone()
 
     con.close()
-
-    if not row:
-        return None
-
-    return dict(row)
+    return dict(row) if row else None
diff --git a/app/routes/apps.py b/app/routes/apps.py
index 78c20b9..95e1dd3 100644
--- a/app/routes/apps.py
+++ b/app/routes/apps.py
@@ -3,7 +3,6 @@ import html
 from fastapi import APIRouter, Form
 from fastapi.responses import HTMLResponse
 
-from ..catalog import load_apps, save_apps
 from ..config import (
     DEFAULT_APPFACTORY_HOST,
     DEFAULT_GITEA_ORG,
@@ -13,6 +12,7 @@ from ..config import (
     NEW_APP_SCRIPT,
     read_env_value,
 )
+from ..db.apps import get_apps, update_app_resources
 from ..shell import run_command
 from ..templates.layout import page, render_result
 
@@ -21,7 +21,7 @@ router = APIRouter()
 
 @router.get("/", response_class=HTMLResponse)
 def index():
-    apps = load_apps()
+    apps = get_apps()
 
     gitea_url = read_env_value("GITEA_URL", "")
     gitea_org = read_env_value("GITEA_ORG", DEFAULT_GITEA_ORG)
@@ -224,34 +224,27 @@ def delete_app(app_id: str = Form(...)):
 
 @router.post("/update-resources", response_class=HTMLResponse)
 def update_resources(app_id: str = Form(...), memory: str = Form(""), cpus: str = Form("")):
-    apps = load_apps()
+    memory = memory.strip()
+    cpus = cpus.strip()
 
-    for item in apps:
-        if item.get("id") == app_id:
-            memory = memory.strip()
-            cpus = cpus.strip()
-
-            if memory:
-                item["memory"] = memory
-            else:
-                item.pop("memory", None)
-
-            if cpus:
-                item["cpus"] = cpus
-            else:
-                item.pop("cpus", None)
-
-    save_apps(apps)
+    update_app_resources(app_id, memory, cpus)
 
+    catalog_result = run_command(["/tools/generate-catalog.sh"])
     compose_result = run_command([GENERATE_COMPOSE_SCRIPT])
     deploy_result = run_command([DEPLOY_SCRIPT, app_id])
 
-    status = "OK" if compose_result.returncode == 0 and deploy_result.returncode == 0 else "FAILED"
+    status = (
+        "OK"
+        if catalog_result.returncode == 0 and compose_result.returncode == 0 and deploy_result.returncode == 0
+        else "FAILED"
+    )
 
     return render_result(
         title=f"Úprava prostředků: {status}",
         back_url="/portal",
         sections=[
+            ("Výstup katalogu", catalog_result.stdout),
+            ("Chyba katalogu", catalog_result.stderr),
             ("Výstup compose", compose_result.stdout),
             ("Chyba compose", compose_result.stderr),
             ("Výstup nasazení", deploy_result.stdout),