diff --git a/ospabhost/nginx.conf b/ospabhost/nginx.conf
index 65a44d8..cf9f506 100644
--- a/ospabhost/nginx.conf
+++ b/ospabhost/nginx.conf
@@ -76,7 +76,7 @@ server {
     location /api/ {
         limit_req zone=api_limit burst=20 nodelay;
         
-        proxy_pass https://backend_api;
+        proxy_pass http://backend_api;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection 'upgrade';
@@ -97,7 +97,7 @@ server {
     location /api/auth/login {
         limit_req zone=login_limit burst=5 nodelay;
         
-        proxy_pass https://backend_api;
+        proxy_pass http://backend_api;
         proxy_http_version 1.1;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
@@ -111,7 +111,7 @@ server {
     location /api/auth/register {
         limit_req zone=login_limit burst=3 nodelay;
         
-        proxy_pass https://backend_api;
+        proxy_pass http://backend_api;
         proxy_http_version 1.1;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
@@ -124,7 +124,7 @@ server {
     
     # WebSocket support for real-time features
     location /ws {
-        proxy_pass https://backend_api;
+        proxy_pass http://backend_api;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection "upgrade";
@@ -180,7 +180,7 @@ server {
     
     # Fallback to backend for robots.txt
     location @backend_robots {
-        proxy_pass https://backend_api/robots.txt;
+        proxy_pass http://backend_api;
         proxy_http_version 1.1;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
@@ -190,7 +190,7 @@ server {
     
     # Fallback to backend for sitemap
     location @backend_sitemap {
-        proxy_pass https://backend_api/sitemap.xml;
+        proxy_pass http://backend_api;
         proxy_http_version 1.1;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
@@ -277,7 +277,7 @@ server {
     
     # Proxy to backend
     location / {
-        proxy_pass https://backend_api;
+        proxy_pass http://backend_api;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection 'upgrade';