$ sudo apt-get update
$ sudo apt-get install postgresql postgis postgresql-9.3-postgis-2.1 libpq-dev python-dev

# install homebrew package manager
$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
$ brew install postgresql postgis python-dev geoip
$ xcode-select --install

brew install postgis

sudo -u postgres psql

psql postgres

postgres=# CREATE DATABASE test;
postgres=# CREATE USER test WITH PASSWORD 'test';
postgres=# GRANT ALL PRIVILEGES ON DATABASE test to test;
postgres=# \connect test;
test=# CREATE EXTENSION postgis;
test=# CREATE EXTENSION postgis_topology;
test=#\q

$ dropdb test

postgres=# DROP DATABASE test;

$ cd Garbage-Collector && source develop.sh

$ python3 manage.py createsuperuser

$ python3 manage.py makemigrations
$ python3 manage.py migrate
$ python3 manage.py migrate --run-syncdb

$ python3 manage.py runserver

$ http://127.0.0.1:8000/