wget https://ftp.postgresql.org/pub/source/v12.8/postgresql-12.8.tar.bz2

tar -xvjf postgresql-12.8.tar.bz2 

cd postgresql-12.8/

sudo apt-get install build-essential -y
sudo apt-get install libreadline-dev -y
sudo apt-get install zlib1g-dev -y

./configure --prefix=~/postgresql-12

make -j4 && make install