Remove DjangoCSP dependency by writing own middleware for the CSP header

application/app/middleware.py

@@ -0,0 +1,11 @@
+
+# Define CSP middleware:
+
+def csp_middleware(get_response):
+
+    def middleware(request):
+        response = get_response(request)
+        response["content-security-policy"] = "default-src 'self'"
+        return response
+
+    return middleware

application/drinks_manager/settings.py

@@ -67,7 +67,7 @@ MIDDLEWARE = [
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
     "django_currentuser.middleware.ThreadLocalUserMiddleware",
-    "csp.middleware.CSPMiddleware"
+    "app.middleware.csp_middleware"
 ]
 
 ROOT_URLCONF = 'drinks_manager.urls'