So I need to set in some way the database in the shop page to use the share buttom from facebook and twitter in each product because if it isn't specified facebook gets a 404 error, the same happens if I try it in cURL so I got to the conclusion that not knowing the database is the problem, and the facebook sharer shows the tittle saying "404 Not Found" and no image.
At the same time I need to keep the database selector menu in cases where I need to do some backups in an easy way so it's not an option to set with -d or with db_name.
So I thought if in you can select in web the database through the url this way "http://localhost:8069/web#bd=ecommerce" then there should be a way to do it in the shop, where is the actual problem I'm having.
This is the results of facebook debugger: https://developers.facebook.com/tools/debug/?q=http%3A%2F%2Fwww.syopar.com.py%2Fproducto%2F927%2Falarma-para-piscina-con-sensor-bestway