Getting Postgres up & running

ubuntu-postgres.sh

!#/bin/sh

# REMOVAL ##################################
sudo apt-get --purge remove postgresql
sudo apt-get purge postgresql*
sudo apt-get --purge remove postgresql postgresql-doc postgresql-common
	
sudo rm -rf /var/lib/postgresql/
sudo rm -rf /var/log/postgresql/
sudo rm -rf /etc/postgresql/
##############################################

sudo bash -c "apt update && apt upgrade -y"
sudo bash -c "apt install curl ca-certificates gnupg"

wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -

. /etc/*release; OS=$ID

if [ "$OS" == 'ubuntu' ]; then
    sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
fi

if [ "$OS" == 'LinuxMint']; then
    . /etc/os-release; RELEASE=$UBUNTU_CODENAME  #TODO...get this to work instead of using bionic below
    sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt bionic-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
fi

sudo bash -c "apt update && apt upgrade -y"
sudo bash -c "apt-get install postgresql pgadmin4"
sudo bash -c "ufw allow 5432/tcp && ufw allow 5432/udp"

sudo su postgres createuser --superuser myapp-user
sudo /etc/init.d/postgresql restart