PostGIS Installation on ubuntu

pg.sh

#!/bin/bash

# Add the PostgreSQL APT repository for the latest version
sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'

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

# Update the package list
sudo apt update

# Install PostgreSQL and PostGIS
sudo apt install -y postgresql postgresql-contrib postgis

# Enable the PostGIS extension in PostgreSQL
sudo -u postgres psql -c "CREATE EXTENSION postgis;"

# Optionally, enable the topology extension as well
sudo -u postgres psql -c "CREATE EXTENSION postgis_topology;"

# Restart PostgreSQL to apply the changes
sudo systemctl restart postgresql

echo "PostGIS has been installed and enabled."