In general Nginx configuration I use this configuration for Nginx reverse proxy to Odoo:
upstream odoo12a {
server 127.0.0.1:8012;
}
upstream odoo12a-im {
server 127.0.0.1:8072;
}
server {
listen 80;
server_name www.domain.com;
rewrite ^(.*) https://$host$1 permanent;
}...