server { listen 80; location / { root /usr/share/nginx/html; index index.html index.htm; try_files $uri $uri/ /index.html; } location /api { proxy_pass http://server:8080; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection 'upgrade'; proxy_set_header Host $host; proxy_cache_bypass $http_upgrade; } }