feat: integrate Bunny Stream course videos

docker/nginx.conf

@@ -3,6 +3,9 @@ server {
   server_name _;
   root /usr/share/nginx/html;
   index index.html;
+  # Bunny uploads pass through this reverse proxy. Keep the same 5 GB ceiling
+  # as the API default and stream bodies instead of buffering them on disk.
+  client_max_body_size 5g;
 
   # Docker Swarm may start this container before the API service receives a DNS
   # record. Resolving through Docker DNS at request time keeps Nginx alive while
@@ -14,6 +17,10 @@ server {
   location /api/ {
     proxy_pass http://$api_upstream:3001;
     proxy_http_version 1.1;
+    proxy_request_buffering off;
+    proxy_buffering off;
+    proxy_read_timeout 3600s;
+    proxy_send_timeout 3600s;
     proxy_set_header Host $host;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;