Replace gunicorn with granian

More rust is more good

.gitlab-ci.yml

@@ -109,12 +109,6 @@ djlint:
   script:
     - djlint website/ --lint --check
 
-gunicorn_check:
-  extends: .python_test_template
-  script:
-    - apt-get update && apt-get install --yes libpq-dev
-    - gunicorn --check-config --config etc/gunicorn.conf.py
-
 npm_lint:
   image: node:20-slim
   stage: test

Dockerfile

@@ -39,7 +39,14 @@ ADD https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLA
 RUN tar -C / -Jxpf /tmp/s6-overlay-noarch.tar.xz && tar -C / -Jxpf /tmp/s6-overlay-x86_64.tar.xz
 
 ENV PATH=$VIRTUAL_ENV/bin:$PATH \
-    PYTHONUNBUFFERED=1
+    PYTHONUNBUFFERED=1 \
+    GRANIAN_INTERFACE=wsgi \
+    GRANIAN_HOST=0.0.0.0 \
+    GRANIAN_PORT=8080 \
+    GRANIAN_WORKERS_LIFETIME=1800 \
+    GRANIAN_RESPAWN_INTERVAL=10 \
+    GRANIAN_PROCESS_NAME=website \
+    GRANIAN_RESPAWN_FAILED_WORKERS=1
 
 EXPOSE 8000
 

etc/gunicorn.conf.py

@@ -1,10 +0,0 @@
-wsgi_app = "website.wsgi:application"
-disable_redirect_access_to_syslog = True
-preload_app = True
-bind = "127.0.0.1:8080"
-max_requests = 1200
-max_requests_jitter = 50
-forwarded_allow_ips = "*"
-
-# Run additional threads so the GIL isn't sitting completely idle
-threads = 4

etc/s6-rc.d/django/run

@@ -4,4 +4,4 @@ set -e
 
 cd /app
 
-exec gunicorn -c etc/gunicorn.conf.py
+exec granian website.wsgi:application

requirements.txt

@@ -7,7 +7,7 @@ beautifulsoup4[lxml]
 requests
 wagtail-generic-chooser==0.6
 django-redis==5.4.0
-gunicorn==22.0.0
+granian[pname]==1.6.0
 psycopg==3.1.18
 djangorestframework
 django-htmx==1.17.2