bugfix

app/routers/customers.py

@@ -1,5 +1,6 @@
 """Customer CRUD API endpoints with automatic deployment on create."""
 
+import asyncio
 import logging
 from datetime import datetime
 from typing import Optional
@@ -7,7 +8,7 @@ from typing import Optional
 from fastapi import APIRouter, BackgroundTasks, Depends, HTTPException, Query, status
 from sqlalchemy.orm import Session
 
-from app.database import get_db
+from app.database import SessionLocal, get_db
 from app.dependencies import get_current_user
 from app.models import Customer, Deployment, DeploymentLog, User
 from app.services import netbird_service
@@ -59,11 +60,22 @@ async def create_customer(
 
     logger.info("Customer %d (%s) created by %s.", customer.id, customer.subdomain, current_user.username)
 
-    # Deploy in background
+    # Deploy in background so the HTTP response returns immediately.
-    result = await netbird_service.deploy_customer(db, customer.id)
+    # We create a dedicated DB session for the background task because
+    # the request session will be closed once the response is sent.
+    async def _deploy_in_background(customer_id: int) -> None:
+        bg_db = SessionLocal()
+        try:
+            await netbird_service.deploy_customer(bg_db, customer_id)
+        except Exception:
+            logger.exception("Background deployment failed for customer %d", customer_id)
+        finally:
+            bg_db.close()
+
+    background_tasks.add_task(_deploy_in_background, customer.id)
 
     response = customer.to_dict()
-    response["deployment"] = result
+    response["deployment"] = {"deployment_status": "deploying"}
     return response
 
 
@@ -221,7 +233,10 @@ async def delete_customer(
         )
 
     # Undeploy first (containers, NPM, files)
+    try:
         await netbird_service.undeploy_customer(db, customer_id)
+    except Exception:
+        logger.exception("Undeploy error for customer %d (continuing with delete)", customer_id)
 
     # Delete customer record (cascades to deployment + logs)
     db.delete(customer)

app/routers/deployments.py

@@ -2,10 +2,10 @@
 
 import logging
 
-from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi import APIRouter, BackgroundTasks, Depends, HTTPException, status
 from sqlalchemy.orm import Session
 
-from app.database import get_db
+from app.database import SessionLocal, get_db
 from app.dependencies import get_current_user
 from app.models import Customer, Deployment, User
 from app.services import docker_service, netbird_service
@@ -17,35 +17,43 @@ router = APIRouter()
 @router.post("/{customer_id}/deploy")
 async def manual_deploy(
     customer_id: int,
+    background_tasks: BackgroundTasks,
     current_user: User = Depends(get_current_user),
     db: Session = Depends(get_db),
 ):
     """Manually trigger deployment for a customer.
 
     Use this to re-deploy a customer whose previous deployment failed.
+    Runs in background and returns immediately.
 
     Args:
         customer_id: Customer ID.
 
     Returns:
-        Deployment result dict.
+        Acknowledgement dict.
     """
     customer = db.query(Customer).filter(Customer.id == customer_id).first()
     if not customer:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Customer not found.")
 
-    # Remove existing deployment if present
+    customer.status = "deploying"
-    existing = db.query(Deployment).filter(Deployment.customer_id == customer_id).first()
+    db.commit()
-    if existing:
-        await netbird_service.undeploy_customer(db, customer_id)
 
-    result = await netbird_service.deploy_customer(db, customer_id)
+    async def _deploy_bg(cid: int) -> None:
-    if not result.get("success"):
+        bg_db = SessionLocal()
-        raise HTTPException(
+        try:
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            # Remove existing deployment if present
-            detail=result.get("error", "Deployment failed."),
+            existing = bg_db.query(Deployment).filter(Deployment.customer_id == cid).first()
-        )
+            if existing:
-    return result
+                await netbird_service.undeploy_customer(bg_db, cid)
+            await netbird_service.deploy_customer(bg_db, cid)
+        except Exception:
+            logger.exception("Background re-deploy failed for customer %d", cid)
+        finally:
+            bg_db.close()
+
+    background_tasks.add_task(_deploy_bg, customer_id)
+    return {"message": "Deployment started in background.", "status": "deploying"}
 
 
 @router.post("/{customer_id}/start")