Add a custom middleware to improve caching behavior

ram/ram/__init__.py

@@ -1,4 +1,4 @@
 from ram.utils import git_suffix
 
-__version__ = "0.15.0"
+__version__ = "0.15.1"
 __version__ += git_suffix(__file__)

ram/ram/local_settings.py.tmpl

@@ -15,6 +15,7 @@ DEBUG = False
 
 # SECURITY WARNING: cache middlewares must be loaded before cookies one
 MIDDLEWARE = [
+    "ram.middleware.DisableClientSideCachingMiddleware",
     "django.middleware.cache.UpdateCacheMiddleware",
     "django.middleware.common.CommonMiddleware",
     "django.middleware.cache.FetchFromCacheMiddleware",
@@ -22,8 +23,8 @@ MIDDLEWARE = [
 
 CACHES = {
     "default": {
-        "BACKEND": "django.core.cache.backends.redis.RedisCache",
+        "BACKEND": "django.core.cache.backends.filebased.FileBasedCache",
-        "LOCATION": "redis://127.0.0.1:6379",
+        "LOCATION": settings.STORAGE_DIR / "cache",
     }
 }
 

ram/ram/middleware.py

@@ -0,0 +1,11 @@
+from django.utils.cache import add_never_cache_headers
+
+
+class DisableClientSideCachingMiddleware:
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+    def __call__(self, request):
+        response = self.get_response(request)
+        add_never_cache_headers(response)
+        return response