ngeraedts

location ^~ /tautulli {
    proxy_pass http://172.16.0.10:8181;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-Host $server_name;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Forwarded-Ssl on;
}

ngeraedts

General 
Request URL: https://zxian.duckdns.org/tautulli/
Request Method: GET
Status Code: 302 Found
Remote Address: 24.84.51.163:443
Referrer Policy: no-referrer-when-downgrade

Response Headers
Connection: keep-alive
Content-Encoding: gzip