server {
    listen       80;
    listen  [::]:80;
    server_name  localhost cdn.dev.d4science.org cdn.cloud-dev.d4science.org cdn.cloud.d4science.org cdn.d4science.org;

    #error_log /var/log/nginx/localhost.error_log debug;
    root /var/www/html;

    #access_log  /var/log/nginx/host.access.log  main;
    
    location / {
        if ($request_method = 'OPTIONS') {
            add_header Access-Control-Allow-Origin '*';
            add_header Access-Control-Allow-Methods 'GET, POST, PUT, DELETE, HEAD, OPTIONS';
            add_header Content-Type text/plain;
            add_header Access-Control-Allow-Headers "Content-Type, Authorization, Accept, Origin, Location";
            add_header Content-Length 0;
            add_header Access-Control-Allow-Private-Network true;
            return 204;
        }
        try_files $uri /head$uri =404;
    }

    location /health {
        return 200;
    }

    location /api/update/ {
        proxy_pass http://localhost:8000;
    }

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
}