server { listen 5173; server_name _; root /usr/share/nginx/html; index index.html; location / { try_files $uri /index.html; } location /api/ { proxy_pass http://backend:8000/; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; } }