Running behind nginx

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name  example.com;

    ssl_certificate      /etc/letsencrypt/live/example.com/fullchain.pem;
    ssl_certificate_key  /etc/letsencrypt/live/example.com/privkey.pem;

    location ~* /(dashboard|static|locales|api|docs|redoc|openapi.json) {
        proxy_pass http://0.0.0.0:8000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    # xray-core ws-path: /
    # client ws-path: /marzneshin/me/2087
    #
    # All traffic is proxed through port 443, and send to the xray port(2087, 2088 etc.).
    # The '/marzneshin' in location regex path can changed any characters by yourself.
    #
    # /${path}/${username}/${xray-port}
    location ~* /marzneshin/.+/(.+)$ {
        proxy_redirect off;
        proxy_pass http://127.0.0.1:$1/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host $http_host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name  marzneshin.example.com;

    ssl_certificate      /etc/letsencrypt/live/example.com/fullchain.pem;
    ssl_certificate_key  /etc/letsencrypt/live/example.com/privkey.pem;

    location / {
        proxy_pass http://0.0.0.0:8000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}