wekan_ynh/conf/nginx.conf

location YNH_WWW_PATH 
{
    proxy_pass http://127.0.0.1:8081;
    proxy_http_version 1.1;
    
    # allow websockets
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "Upgrade";
    
    # preserve client IP
    proxy_set_header X-Forwarded-For $remote_addr; 

    # this setting allows the browser to cache the application in
    # a way compatible with Meteor. 
    # on every applicaiton update the name of CSS and JS file is different, 
    # so they can be cache infinitely (here: 30 days)
    # the root path MUST NOT be cached
    if ($uri != '/wekan') 
    {
        expires 30d;
    }
}