I am trying to host a shiny server in the / shiny / subpath of my website. With the following configuration I can access my demo app via www.example.com/shiny/demo/.

However, if I exclude the last slash from the URI, I'll end up with www.example.com/demo/ instead, which does not exist. I do not know which part of my configuration leads to this redirect: though I have rewrite_log on I do not see anything in error.log. If I remove the rewrite or delete the trailing slash from the proxy_pass, everything will stop working. The final slash in the location directive is not necessarily required (I think so?), But I'd rather keep it, because removing it makes no difference. I am not sure if I need proxy_redirect, but removing does not fix the problem.

Any suggestions on how I can change my configuration to redirect from / shiny / demo to / demo / to / shiny / demo /?

My configuration with the appropriate location below:

# Forward to HTTPS
Server {
list 80 default_server;
listen [::]: 80 default_server;

Server name example.com www.example.com;
Returns 301 https: // $ server_name $ request_uri;
}

# Forward to the WWW subdomain
Server {
listen 443 ssl default_server;
listen [::]: 443 ssl default_server;

ssl_certificate / path / to / cert;
ssl_certificate_key / path / to / key;

add_header Strict-Transport-Security "max-age = 15768000; includeSubDomains; preload" always;

Server name example.com;
return 301 https: //www.example.com$request_uri;
}

# Main server
Server {
hear 443 ssl http2;
listen [::]: 443 ssl http2;

root / path / to / root;

index index.php;
Server name www.example.com;

ssl_certificate / path / to / cert;
ssl_certificate_key / path / to / key;

Shared ssl_session_cache: SSL: 50m;
ssl_session_timeout 1d;
ssl_session_tickets off;

add_header Strict-Transport-Security "max-age = 15768000; includeSubDomains; preload" always;


Location / {
if ($ request_uri ~ ^ / (. *) . html $) {return 302 / $ 1; }
try_files $ uri / $ uri $ uri.html $ uri.php $ is_args $ query_string;
}

Place ~  .php $ {
if ($ request_uri ~ ^ / ([^?]*) . php ($ | ?)) {return 302 / $ 1 $ is_args $ query_string; }
include snippets / fastcgi-php.conf;
fastcgi_pass unix: /run/php/php7.0-fpm.sock;
}


Location ^ ~ / shiny / {
rewrite_log on;
rewrite ^ / shiny /(.*) $ / $ 1 break;
proxy_pass http: // localhost: 1234 /;
proxy_redirect http: // localhost: 1234 / $ scheme: // $ server_name / shiny /;

proxy_http_version 1.1;
proxy_set_header Upgrade $ http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header X-Real-IP $ remote_addr;
proxy_set_header X-Forwarded-For $ proxy_add_x_forwarded_for;
proxy_set_header Host $ http_host;
proxy_set_header X-NginX proxy true;
}
}