nginx.conf

keyval_zone zone=default:32k state=default.json;
keyval $arg_text $text1 zone=default;

server {
  status_zone default;

  root /usr/share/nginx/html;

  listen 80 default_server;
  server_name _;

  set $mmethod "$http_x_replication_source$request_method";

  if ( $mmethod ~ ^(POST|PUT|DELETE|PATCH)$ ) {
    return 307 http://master.nginx-kv.service.consul$request_uri;
  }

  location /replicated {
    api write=on;
  }

  location / {
    try_files $uri $uri/ index.html;
  }
}