functional deployment without SSO for trade-hub

roles/trade_hub/files/trade-hub/frontend/Dockerfile

@@ -3,4 +3,4 @@ FROM docker.io/library/nginx:1.27-alpine
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 COPY src/ /usr/share/nginx/html/
 
-EXPOSE 80
+EXPOSE 8071

roles/trade_hub/files/trade-hub/frontend/nginx.conf

@@ -1,5 +1,5 @@
 server {
-    listen 80;
+    listen 8071;
     server_name _;
 
     gzip on;
@@ -14,7 +14,7 @@ server {
     location /api/ {
         proxy_pass http://backend:8000;
         # $http_host keeps the client's port, which the backend's Origin check
-        # compares against; $host would drop ":8080" and reject real browsers.
+        # compares against; $host would drop the port and reject real browsers.
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;