\documentclass{beamer}
\usepackage{tikz}
\usetheme{Copenhagen}
\usecolortheme{beaver}

\setbeamertemplate{footline}
{
  \leavevmode%
  \hbox{%
  \begin{beamercolorbox}[wd=.9\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.1\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
    \insertframenumber{} / \inserttotalframenumber
  \end{beamercolorbox}}%
  \vskip0pt%
}

\title[Kubernetes distributions for the edge: serverless performance evaluation]{Kubernetes distributions for the edge: serverless performance evaluation \footnotesize{[1]}}
\author[]{Santo Cariotti}

\date[]{University of Bologna, 2024-06-17}

\begin{document}
\frame{\titlepage}

\input{content}
\input{k8s}
\input{serverless}
\input{tests}
\input{conclusion}


\input{refs}


\end{document}