For ubuntu, nginx, supervisor, docker install scripts

server.sh

#!/usr/bin/env bash
command=$1
if [ "$command" = "" ]; then
   echo "Please enter a module in: nginx,supervisor,docker"
   read command -f
fi
if [ "$command" = "nginx" ]; then
    echo "Nginx installing"
    apt -y install nginx
fi
if [ "$command" = "supervisor" ]; then
   echo "Supervisor installing"
   apt -y install supervisor
fi
if [ "$command" = "docker" ]; then
   echo "Docker installing"
   apt -y install apt-transport-https ca-certificates curl software-properties-common &&
   curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add - &&
   add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable" &&
   apt update && apt-cache policy docker-ce && apt -y install docker-ce && apt -y install docker-compose
fi