Server A Ubuntu 16.04 + PHP 5.6 Project A Project A Project A Project A Project A Project A Server B Ubuntu 16.04 + PHP 5.6 Server C Ubuntu 16.04 + PHP 5.6 Server D Ubuntu 16.04 + PHP 7.2 Server E Ubuntu 16.04 + PHP 7.2 Server F Ubuntu 16.04 + PHP 7.2 Project B Project B Project B