From b025f12856d9d688d4bc91543dba043194ee5ed6 Mon Sep 17 00:00:00 2001
From: Aleksandr Meshchriakov <avm@sh-inc.ru>
Date: Thu, 16 Jul 2026 15:42:35 +0200
Subject: [PATCH] fix: serve collected static files with whitenoise

---
 docker/scripts/start-web.sh  |  2 ++
 src/settings/base.py         |  1 +
 tests/test_runtime_static.py | 31 +++++++++++++++++++++++++++++++
 3 files changed, 34 insertions(+)
 create mode 100644 tests/test_runtime_static.py

diff --git a/docker/scripts/start-web.sh b/docker/scripts/start-web.sh
index 5b32530..047d5fa 100755
--- a/docker/scripts/start-web.sh
+++ b/docker/scripts/start-web.sh
@@ -9,6 +9,8 @@ case "${DJANGO_SETTINGS_MODULE}" in
     ;;
 esac
 
+python src/manage.py collectstatic --noinput
+
 exec gunicorn core.wsgi:application \
   --bind "0.0.0.0:${PORT:-8000}" \
   --workers "${GUNICORN_WORKERS:-3}" \
diff --git a/src/settings/base.py b/src/settings/base.py
index 8242dda..c0d9496 100644
--- a/src/settings/base.py
+++ b/src/settings/base.py
@@ -227,6 +227,7 @@ USE_TZ = True
 STATIC_URL = "/static/"
 STATIC_ROOT = PROJECT_ROOT / "staticfiles"
 STATICFILES_DIRS = [BASE_DIR / "static"]
+STATICFILES_STORAGE = "whitenoise.storage.CompressedManifestStaticFilesStorage"
 
 MEDIA_URL = "/media/"
 MEDIA_ROOT = PROJECT_ROOT / "media"
diff --git a/tests/test_runtime_static.py b/tests/test_runtime_static.py
new file mode 100644
index 0000000..eccf7aa
--- /dev/null
+++ b/tests/test_runtime_static.py
@@ -0,0 +1,31 @@
+"""Regression checks for production static-file delivery."""
+
+from pathlib import Path
+
+from django.core.management import call_command
+from django.test import Client, override_settings
+from settings import base
+
+
+def test_whitenoise_uses_compressed_manifest_storage():
+    assert (
+        base.STATICFILES_STORAGE
+        == "whitenoise.storage.CompressedManifestStaticFilesStorage"
+    )
+
+
+def test_web_startup_collects_static_files_before_gunicorn():
+    script_path = Path(__file__).parents[1] / "docker" / "scripts" / "start-web.sh"
+    script = script_path.read_text(encoding="utf-8")
+
+    assert "python src/manage.py collectstatic --noinput" in script
+    assert script.index("collectstatic --noinput") < script.index("exec gunicorn")
+
+
+def test_whitenoise_serves_collected_swagger_asset(tmp_path):
+    with override_settings(STATIC_ROOT=tmp_path):
+        call_command("collectstatic", interactive=False, verbosity=0)
+        response = Client().get("/static/drf-yasg/style.css")
+
+    assert response.status_code == 200
+    assert response["Content-Type"].startswith("text/css")