diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 1c49075..1b3ea4d 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -5,13 +5,8 @@ on:
   push:
     branches:
       - 'main'
-      - 'staging'
     tags:
       - 'v*'
-  pull_request:
-    branches:
-      - 'main'
-      - 'staging'
 
 jobs:
   build:
diff --git a/docker/nginx.prod.conf b/docker/nginx.prod.conf
index a90ca9a..5308666 100644
--- a/docker/nginx.prod.conf
+++ b/docker/nginx.prod.conf
@@ -18,11 +18,13 @@ http {
             alias /usr/share/nginx/html/static/;  # The nginx container's mounted volume.
             expires 30d;
             add_header Cache-Control public;
+            include  /etc/nginx/mime.types;
         }
 
         # Serve user uploaded files
         location /silo/ {
             alias /usr/share/nginx/html/silo/;  # The container's mounted volume.
+            include  /etc/nginx/mime.types;
         }
 
         # Proxy requests to the Django app running in gunicorn