diff --git a/Dockerfile b/Dockerfile
index 36c1b55..28af07b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,9 +20,11 @@ EXPOSE 5000
 
 # Variable d'environnement par défaut
 ENV FLASK_ENV=production
-ENV GUNICORN_WORKERS=3
-ENV GUNICORN_THREADS=2
+ENV GUNICORN_WORKERS=5
+ENV GUNICORN_THREADS=4
+ENV GUNICORN_WORKER_CLASS=gevent
+ENV GUNICORN_TIMEOUT=60
 
 # Commande de démarrage via gunicorn (attache l'app Flask : app:app)
 # Utilise timeout raisonnable, bind sur 0.0.0.0:5000
-CMD ["sh", "-c", "gunicorn --workers ${GUNICORN_WORKERS} --threads ${GUNICORN_THREADS} --bind 0.0.0.0:5000 --access-logfile - --error-logfile - 'main:create_app()'"]
+CMD ["sh","-c","gunicorn --workers ${GUNICORN_WORKERS} --threads ${GUNICORN_THREADS} --worker-class ${GUNICORN_WORKER_CLASS} --timeout ${GUNICORN_TIMEOUT} --bind 0.0.0.0:5000 --access-logfile - --error-logfile - 'main:create_app()'"]
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