server {
    listen 443 ssl;
    server_name <domain>;

    # Client build
    location / {
        root <path/to/client>;
    }

    # API server
    location /api {
        proxy_http_version 1.1;

        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-Host $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Host $http_host;

        proxy_pass "http://127.0.0.1:8000";
    }

    # WebSocket server
    location /play {
        proxy_http_version 1.1;

        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-Host $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Host $http_host;

        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";

        proxy_pass "http://127.0.0.1:8000";
        proxy_redirect off;
    }

    # SSL configuration
    ssl_certificate /etc/letsencrypt/live/<domain>/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/<domain>/privkey.pem;
}