feat: update API base URL and change exposed ports to 6969 for frontend and backend services

frontend/nginx.docker.conf

@@ -0,0 +1,43 @@
+server {
+    listen 80;
+    server_name _;
+
+    root  /usr/share/nginx/html;
+    index index.html;
+
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    gzip on;
+    gzip_types text/plain text/css application/json application/javascript
+               text/xml application/xml application/xml+rss text/javascript;
+
+    # SPA fallback — unknown paths serve index.html so React Router works
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    # Proxy all /api/* requests to the Spring Boot backend
+    location /api/ {
+        proxy_pass         http://backend:8080;
+        proxy_http_version 1.1;
+        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_read_timeout 120s;
+    }
+
+    # Convenience: proxy Swagger UI and OpenAPI spec
+    location /swagger-ui/ {
+        proxy_pass       http://backend:8080;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+    }
+
+    location /v3/api-docs {
+        proxy_pass       http://backend:8080;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+    }
+}