Deploy Apache2 http-probe on CentOS

apache2-probe.sh

#!/bin/bash

# Simple deployment script to run the Apache2 http-probe on port 8080/tcp
# Helpfull if you need a hearbeat of the server (Loabalancer, etc.)
# without installing Apache2 natively.
#
# Check my Git for more details:
#   - https://github.com/adminph-de/docker-apache2-http-probe
#
# Check the pre- build Docker Container:
#   - https://hub.docker.com/r/codesnipes/apache2-http-probe
#
# Deploy/Install: 
#   $ sudo curl -fsSL [UseTheRawLinkToTheFile] | bash -s --

unset probe

sudo yum -y install git
if [ ! -d ~/docker-apache2-http-probe ]; then 
    cd ~/
    git clone https://github.com/adminph-de/docker-apache2-http-probe.git
    cd ~/docker-apache2-http-probe
    docker build -t http-probe:latest .
    docker container run --name http-probe -d --restart always -p 8080:80 http-probe:latest
else
   probe=`docker container ls | grep http-probe:latest | awk '{ print $1 }'`
   cd ~/docker-apache2-http-probe
   git pull
   docker build -t http-probe:latest .
   if [ ! -z ${probe+x} ]; then 
    echo "Removing running http-probe container: '$probe'"; 
    docker container rm -f $probe
   fi
   echo "Starting http-probe container....."
   docker container run --name http-probe -d --restart always -p 8080:80 http-probe:latest
fi