nginx main conf

upstream docker-registry {
    least_conn;
    server registry_alpha:13217;
    server registry_beta:13218;
}

server {
    listen 443 ssl;
    server_name registry.courtroom.dev;
    ssl_certificate /etc/nginx/ssl/prod.registry.crt;
    ssl_certificate_key /etc/nginx/ssl/prod.registry.key;
    error_log  /var/log/nginx/error.log;
    access_log /var/log/nginx/access.log;

    location / {
        if ($http_user_agent ~ "^(docker\/1\.(3|4|5(?!\.[0-9]-dev))|Go ).*$" )  {
            return 404;
        }

        proxy_pass                                        http://docker-registry;
        proxy_set_header  Host                            $http_host;
        proxy_set_header  X-Real-IP                       $remote_addr;
        proxy_set_header  X-Forwarded-For                 $proxy_add_x_forwarded_for;
        proxy_set_header  X-Forwarded-Proto               $scheme;
        proxy_set_header  Docker-Distribution-API-Version registry/2.0;
        proxy_read_timeout                                900;
    }
}