Fixed issue of not connecting to redis instance and added caching for courses

stude/config/settings.py

@@ -261,11 +261,30 @@ LEAFLET_CONFIG = {
     'TILES': 'https://openstreetmap.keannu1.duckdns.org/tile/{z}/{x}/{y}.png'
 }
 
+REDIS_HOST = os.getenv('REDIS_HOST', 'localhost')
+REDIS_PORT = os.getenv('REDIS_PORT', 6379)
+
+
+# Django Redis Cache
+CACHES = {
+    "default": {
+        "BACKEND": "django_redis.cache.RedisCache",
+        "LOCATION": "redis://redis:6379/1",
+        "OPTIONS": {
+            "CLIENT_CLASS": "django_redis.client.DefaultClient",
+        }
+    }
+}
+
+SESSION_ENGINE = "django.contrib.sessions.backends.cache"
+SESSION_CACHE_ALIAS = "default"
+
+# Redis Cache for Django Channel Websockets
 CHANNEL_LAYERS = {
     "default": {
         "BACKEND": "channels_redis.core.RedisChannelLayer",
         "CONFIG": {
-            "hosts": [("127.0.0.1", 6379)],
+            "hosts": [("redis", 6379)],
         },
     },
 }

stude/courses/views.py

@@ -1,3 +1,5 @@
+from django.utils.decorators import method_decorator
+from django.views.decorators.cache import cache_page
 from rest_framework import generics
 from .models import Course
 from .serializers import CourseSerializer
@@ -6,3 +8,7 @@ from .serializers import CourseSerializer
 class CourseListView(generics.ListAPIView):
     serializer_class = CourseSerializer
     queryset = Course.objects.all()
+
+    @method_decorator(cache_page(60*60))
+    def dispatch(self, *args, **kwargs):
+        return super().dispatch(*args, **kwargs)

stude/wait_for_redis.py

@@ -4,7 +4,6 @@ import redis
 
 REDIS_HOST = os.getenv('REDIS_HOST', 'localhost')
 REDIS_PORT = os.getenv('REDIS_PORT', 6379)
-
 if __name__ == '__main__':
     while True:
         try: