Timezone dropdown is blank on the last setup page about docker-unifi-controller

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[seanthegeek]

I figured out what the issue was. I had to pass the reverse proxy traffic to the HTTPS port 8443, and not the HTTP port 8080, even over localhost. I also had to download the self-signed certificate generated by the UniFi controller using my browser on port 8443, then upload that to the server, and configure Nginx to trust that certifictificate downstream. My full Nginx config is:

erver {
    server_name unifi.example.net;

    location / {                                                                                                        
        proxy_pass https://127.0.0.1:8443;                                                                           
        proxy_ssl_trusted_certificate /etc/nginx/ssl/unifi.crt;                                                            
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-Proto $scheme;                                                                                     
        proxy_set_header X-Real-IP $remote_addr;                                                                         
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;                                                     
    }

    listen [::]:443 ssl ipv6only=on; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/unifi.example.net/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/unifi.example.net/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}

server {
    if ($host = unifi.example.net) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    listen 80 default_server;
    listen [::]:80 default_server;

    server_name unifi.example.net;
    return 404; # managed by Certbot
}