Install PostgreSQL 12 in Linux Script

As you know PostgreSQL 12 have become GA, the below script can install PostgreSQL in just few minutes. Please find the script below -

#!/bin/bash

set -x

sudo su - <<EOF

/usr/bin/yum -y install gcc

/usr/bin/yum -y install readline-devel

/usr/bin/yum -y install zlib-devel

echo "Adding User for Postgres server"

/usr/sbin/useradd -d /home/postgres -m postgres

read -s -p "Enter password for postgres: " password

echo $password |passwd --stdin postgres

chage postgres -M -1

#/usr/sbin/useradd -d /home/postgres -m postgres

#passwd postgres

#read -p "New password:" postgres

#read -p "Retype new password " postgres

/usr/bin/wget https://ftp.postgresql.org/pub/source/v12.2/postgresql-12.2.tar.gz

/bin/tar -xzf postgresql-12.2.tar.gz

cd postgresql-12.2

/root/postgresql-12.2/configure --prefix=/usr/local/pgsql12/

make

make install

/bin/mkdir /usr/local/pgsql12/data

/bin/chown postgres:postgres -R /usr/local/pgsql12

EOF

sudo su - postgres <<EOF

cd /usr/local/pgsql12/bin

/usr/local/pgsql12/bin/initdb -D /usr/local/pgsql12/data

/usr/local/pgsql12/bin/pg_ctl -D /usr/local/pgsql12/data start

EOF

sudo su - <<EOF

/bin/ln -s /usr/local/pgsql12/bin/psql /usr/bin

EOF