map $http_x_forwarded_proto $fe_https {
  default off;
  https on;
}

map $host $is_localhost {
  default off;
  localhost on;
}

# log format
log_format custom '$remote_addr - $http_host $remote_user $request $request_body_file $request_length $request_completion $status $body_bytes_sent "$http_referrer" "$http_user_agent" "$http_x_forwarded_for" $request_time $upstream_response_time $server_name';

log_format json_custom escape=json '{ "time_local": "$time_iso8601", '
 '"remote_addr": "$remote_addr", '
 '"host": "$host", '
 '"request": "$request", '
 '"request_length": "$request_length", '
 '"status": "$status", '
 '"body_bytes_sent": "$body_bytes_sent", '
 '"http_x_forwarded_for": "$http_x_forwarded_for", '
 '"request_time": "$request_time", '
 '"http_referrer": "$http_referer", '
 '"http_user_agent": "$http_user_agent" }';


server {
  set $301_redirect off;
  listen 80 default_server;
  access_log /var/log/nginx/access.log json_custom;

  if ($fe_https = 'off') {
    set $301_redirect on;
  }
  if ($is_localhost = 'on') {
    set $301_redirect off;
  }
  if ($301_redirect = 'on') {
    return 301 https://$host$request_uri;
  }

  gzip on;
  gzip_vary on;
  gzip_min_length 1000;
  gzip_proxied any;
  gzip_types text/plain text/css text/xml text/javascript application/javascript application/x-javascript application/xml;
  gzip_disable "MSIE [1-6]\.";

    location / {
        root /augur/build;
    }
}