proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header Host $http_host;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header Host $http_host;
# this is explicitly IPv4 since Pleroma.Web.Endpoint binds on IPv4 only
# and `localhost.` resolves to [::0] on some systems: see issue #930
# this is explicitly IPv4 since Pleroma.Web.Endpoint binds on IPv4 only
# and `localhost.` resolves to [::0] on some systems: see issue #930