create an Ubuntu CloudFormation YAML template for ubuntu-nginx.yaml that supports updates via the cfn-hup daemon.

I tried playing around with a couple of ideas from https://gist.github.com/kixorz/10194688 without success. In the 2 cases I tried, I was able to get the original software to install, but cfn-hup was not doing updates.

Here are the requirements for ubuntu-nginx.yaml:

Create a CloudFormation YAML template with the name, ubuntu-nginx.yaml, that will create an Ubuntu 16.04 server in the current AWS region, running the nginx web server. The nginx server must be running on your server. Hint: While developing this template, you probably want to spin up an Ubuntu 16.04 instance and do the install of nginx manually first to see what it takes.

You must have mappings for AMIs in all of the AWS regions.

Your must have template must have parameters for the following:

the key pair to use for connecting to the instance via ssh

the allowed CIDR block that ssh is allowed on, with a default of USF's CIDR block.

Your security group must allow ssh connections only from the specified CIDR block, and web connections from anywhere.

Your template must create a default index.html page in the appropriate location that displays the following info:

Your name in an h1 header and the title of the page

The server's public DNS name and AWS region. For public DNS name, the naive implementation will lead to circular dependencies.

Please save as: ubuntu-cfn-update.yaml