lifecycle: use custom worker class

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

lifecycle/gunicorn.conf.py

@@ -16,7 +16,7 @@ try:
 except KeyError:
     pass
 
-worker_class = "uvicorn.workers.UvicornWorker"
+worker_class = "lifecycle.worker.DjangoUvicornWorker"
 # Docker containers don't have /tmp as tmpfs
 if os.path.exists("/dev/shm"):  # nosec
     worker_tmp_dir = "/dev/shm"  # nosec

lifecycle/worker.py

@@ -0,0 +1,13 @@
+"""Uvicorn worker"""
+from uvicorn.workers import UvicornWorker
+
+
+class DjangoUvicornWorker(UvicornWorker):
+    """Custom configured Uvicorn Worker without lifespan"""
+
+    CONFIG_KWARGS = {
+        "loop": "uvloop",
+        "http": "httptools",
+        "lifespan": "off",
+        "ws": "wsproto",
+    }