replaced everything with ws

nginx/conf.d/lottery.conf

@@ -0,0 +1,84 @@
+upstream lottery_backend {
+    # Primary backend (port 8080)
+    server 127.0.0.1:8080 max_fails=3 fail_timeout=30s;
+    # Standby backend (port 8082) - used during rolling updates
+    # Uncomment the line below to switch traffic to new backend
+    # server 127.0.0.1:8082 max_fails=3 fail_timeout=30s backup;
+    
+    # Health check configuration
+    keepalive 32;
+}
+
+server {
+    listen 80;
+    server_name _;
+
+    # Increase body size limit for API requests
+    client_max_body_size 10M;
+
+    # Security headers
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-XSS-Protection "1; mode=block" always;
+
+    # API endpoints
+    location /api/ {
+        proxy_pass http://lottery_backend;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        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_cache_bypass $http_upgrade;
+        
+        # Timeouts
+        proxy_connect_timeout 60s;
+        proxy_send_timeout 60s;
+        proxy_read_timeout 60s;
+    }
+
+    # Actuator endpoints (for health checks)
+    location /actuator/ {
+        proxy_pass http://lottery_backend;
+        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;
+    }
+
+    # Ping endpoint
+    location /ping {
+        proxy_pass http://lottery_backend;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+    }
+
+    # Frontend (if serving static files)
+    location / {
+        root /usr/share/nginx/html;
+        try_files $uri $uri/ /index.html;
+        index index.html;
+    }
+}
+
+# HTTPS configuration (uncomment and configure when SSL certificates are available)
+# server {
+#     listen 443 ssl http2;
+#     server_name your-domain.com;
+#
+#     ssl_certificate /etc/nginx/ssl/cert.pem;
+#     ssl_certificate_key /etc/nginx/ssl/key.pem;
+#
+#     # SSL configuration
+#     ssl_protocols TLSv1.2 TLSv1.3;
+#     ssl_ciphers HIGH:!aNULL:!MD5;
+#     ssl_prefer_server_ciphers on;
+#
+#     # Same location blocks as HTTP server
+#     # ...
+# }
+
+