Update start.sh

start.sh

@@ -1,19 +1,24 @@
 #!/bin/bash
 
-# Lancer le serveur Redis en arrière-plan
+# Start Redis in the background
 echo "Lancement de Redis..."
 redis-server --daemonize yes
 sleep 2
 
-# Lancer le worker Celery en arrière-plan
+# Start the Celery worker in the background
 echo "Lancement du worker Celery..."
+# We use python -m here as it's reliable for background tasks
 python -m celery -A tasks.worker_celery:celery_app worker --loglevel=info &
 
-# Lancer l'API FastAPI (le backend modèle) en arrière-plan
+# Start the FastAPI API in the background
 echo "Lancement de l'API FastAPI..."
 python -m uvicorn main:app --host 0.0.0.0 --port 8000 &
 
-# --- LA CORRECTION DÉFINITIVE ---
-# On dit à Gunicorn de se déplacer dans le dossier /app AVANT de chercher app:app
-echo "Lancement de l'application Flask sur le port 7860..."
-python -m gunicorn --chdir /app -w 1 --threads 8 --timeout 120 --bind 0.0.0.0:7860 app:app
+# --- THE DEFINITIVE FIX ---
+# 1. Change to the application directory. This is the crucial step.
+cd /app || exit
+
+# 2. Execute Gunicorn. 'exec' replaces the shell process with the gunicorn process.
+#    This is the main process of the container.
+echo "Lancement de l'application Flask depuis le dossier /app..."
+exec python -m gunicorn --bind 0.0.0.0:7860 --workers 1 --threads 8 --timeout 120 app:app