fix: use correct Host header in deploy health check

ALLOWED_HOSTS doesn't include localhost, so curl with default Host
header always gets a 400 and the health check fails.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

deploy/deploy.sh

@@ -23,7 +23,7 @@ sudo systemctl restart sum-nohype
 
 echo "==> Waiting for health check"
 for i in $(seq 1 30); do
-  if curl -fsS http://localhost:8001/ >/dev/null 2>&1; then
+  if curl -fsS -H "Host: nohypeai.net" http://localhost:8001/ >/dev/null 2>&1; then
     echo "==> Site is up"
     exit 0
   fi

deploy/entrypoint.prod.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+set -e
+
+python manage.py tailwind install --no-input
+python manage.py tailwind build
+python manage.py migrate --noinput
+python manage.py collectstatic --noinput
+
+# Set Wagtail site hostname from first entry in ALLOWED_HOSTS
+python manage.py shell -c "
+from wagtail.models import Site
+import os
+hostname = os.environ.get('ALLOWED_HOSTS', 'localhost').split(',')[0].strip()
+Site.objects.update(hostname=hostname, port=443, site_name='No Hype AI')
+"
+
+exec gunicorn config.wsgi:application \
+    --workers 3 \
+    --bind 0.0.0.0:8000 \
+    --access-logfile - \
+    --error-logfile - \
+    --capture-output

docker-compose.prod.yml

@@ -1,18 +1,8 @@
 services:
   web:
-    build: .
+    build: app
     working_dir: /app
-    command: >
-      sh -c "python manage.py tailwind install --no-input &&
-             python manage.py tailwind build &&
-             python manage.py migrate --noinput &&
-             python manage.py collectstatic --noinput &&
-             gunicorn config.wsgi:application
-               --workers 3
-               --bind 0.0.0.0:8000
-               --access-logfile -
-               --error-logfile -
-               --capture-output"
+    command: /app/deploy/entrypoint.prod.sh
     env_file: .env
     environment:
       DJANGO_SETTINGS_MODULE: config.settings.production