Migrate from WSGI to ASGI

cl/asgi.py

@@ -0,0 +1,7 @@
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "cl.settings")
+
+application = get_asgi_application()

cl/settings/django.py

@@ -139,6 +139,7 @@
 ROOT_URLCONF = "cl.urls"
 
 INSTALLED_APPS = [
+    "daphne",
     "django.contrib.admin",
     "django.contrib.admindocs",
     "django.contrib.contenttypes",
@@ -189,6 +190,8 @@
     INSTALLED_APPS.append("django_extensions")
     MIDDLEWARE.append("debug_toolbar.middleware.DebugToolbarMiddleware")
 
+ASGI_APPLICATION = "cl.asgi.application"
+
 
 ################
 # Misc. Django #

docker/django/Dockerfile

@@ -111,14 +111,13 @@ CMD python /opt/courtlistener/manage.py migrate && \
 #freelawproject/courtlistener:latest-web-prod
 FROM python-base as web-prod
 
-CMD gunicorn cl_wsgi:application \
-    --chdir /opt/courtlistener/docker/django/wsgi-configs/ \
+CMD gunicorn cl_asgi:application \
+    --chdir /opt/courtlistener/docker/django/asgi-configs/ \
     --user www-data \
     --group www-data \
     # Set high number of workers. Docs recommend 2-4× core count`
     --workers ${NUM_WORKERS:-48} \
-    --worker-class gthread \
-    --threads 2 \
+    --worker-class uvicorn.workers.UvicornWorker \
     # Allow longer queries to solr.
     --limit-request-line 6000 \
     # Reset each worker once in a while

docker/django/asgi-configs/cl_asgi.py

@@ -0,0 +1,9 @@
+import os
+import sys
+
+from django.core.asgi import get_asgi_application
+
+os.environ["DJANGO_SETTINGS_MODULE"] = "cl.settings"
+
+sys.path.append("/opt/courtlistener")
+application = get_asgi_application()