fixing docker-compose

dockerfiles/clients/web-app/Dockerfile

@@ -97,11 +97,11 @@ RUN echo '{"status":"ok","service":"web-app"}' > /usr/share/nginx/html/health
 USER nginx-user
 
 # Expose port
-EXPOSE 3000
+EXPOSE 4000
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
-    CMD curl --fail http://localhost:3000/health || exit 1
+    CMD curl --fail http://localhost:4000/health || exit 1
 
 # Start nginx
 CMD ["nginx", "-g", "daemon off;"]

dockerfiles/clients/web-app/nginx.conf

@@ -1,4 +1,4 @@
-user nginx-user;
+# Running as non-root user defined by container user; omit nginx "user" directive
 worker_processes auto;
 error_log /var/log/nginx/error.log notice;
 pid /tmp/nginx.pid;
@@ -27,7 +27,7 @@ http {
     gzip on;
     gzip_vary on;
     gzip_min_length 10240;
-    gzip_proxied expired no-cache no-store private must-revalidate auth;
+    gzip_proxied expired no-cache no-store private auth;
     gzip_types
         text/plain
         text/css
@@ -78,13 +78,13 @@ http {
         # Health check endpoint
         location /health {
             access_log off;
-            return 200 '{"status":"ok","service":"web-app"}\n';
             add_header Content-Type application/json;
+            return 200 '{"status":"ok","service":"web-app"}\n';
         }
 
         # API proxy (if needed for backend communication)
         location /api/ {
-            proxy_pass http://api-gateway:8081/;
+            proxy_pass http://localhost:8081/;
             proxy_set_header Host $host;
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;