rocketchat_ynh/conf/nginx.conf

#sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
location ^~ __PATH__/ {

    proxy_pass        http://127.0.0.1:__PORT__;
    proxy_redirect    off;
    proxy_set_header  Host $host;
    proxy_set_header  X-Real-IP $remote_addr;
    proxy_set_header  X-Forwarded-Proto $scheme;
    proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header  X-Forwarded-Host $server_name;

    proxy_http_version 1.1;
    proxy_set_header Connection "upgrade";
    proxy_set_header Upgrade $http_upgrade;

    client_max_body_size 200M;
}

#https://geekgonecrazy.com/2022/05/30/rocketchat-and-the-matrix-protocol/
location /.well-known/matrix/ {

    proxy_pass        http://127.0.0.1:8008;
    proxy_redirect    off;
    proxy_set_header  Host $host;
    proxy_set_header  X-Real-IP $remote_addr;
    proxy_set_header  X-Forwarded-Proto $scheme;
    proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header  X-Forwarded-Host $server_name;
}