diff --git a/docker/dev/frontend/nginx.conf b/docker/dev/frontend/nginx.conf
index 2cbfb05..057d106 100644
--- a/docker/dev/frontend/nginx.conf
+++ b/docker/dev/frontend/nginx.conf
@@ -6,7 +6,7 @@ server {
     # API proxy to development backend
     # Upload endpoint
     location /api/upload {
-        proxy_pass http://backend-dev:5000/upload;
+        proxy_pass http://backend-dev:5000/upload/;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -15,6 +15,18 @@ server {
     }
 
     # Download original images
+    # Handle POST requests to upload endpoint
+    location /api/upload {
+        proxy_pass http://backend-dev:5000/upload;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header Content-Type $content_type;
+        client_max_body_size 100M;
+    }
+
+    # Preview/thumbnail images (optimized for gallery views)
     location /api/download {
         proxy_pass http://backend-dev:5000/download;
         proxy_set_header Host $host;
@@ -23,7 +35,6 @@ server {
         proxy_set_header X-Forwarded-Proto $scheme;
     }
 
-    # Preview/thumbnail images (optimized for gallery views)
     location /api/previews {
         proxy_pass http://backend-dev:5000/previews;
         proxy_set_header Host $host;
@@ -32,6 +43,15 @@ server {
         proxy_set_header X-Forwarded-Proto $scheme;
     }
 
+    # Add groups endpoint
+    location /api/groups {
+        proxy_pass http://backend-dev:5000/groups;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+
     # Groups API
     location /api/groups {
         proxy_pass http://backend-dev:5000/groups;