sudo sh -c 'echo "deb http://apt.PostgreSQL.org/pub/repos/apt/ $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
wget --quiet -O - https://www.PostgreSQL.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install postgresql-client-11
sudo apt-get install pgadmin4
sudo apt-get install postgresql-11
