setupodoo Install odoo 12 on new VPS Ubuntu 18.04

#!/bin/sh
# nano setupodoo.sh
# > copy the setupodoo script in details and save it as setupodoo
# chmod +x setupodoo.sh
# ./setupodoo.sh
# STEP 1
sudo apt-get update
sudo apt-get -y upgrade
sudo apt-get install python3-pip
# INSTALL DEPENDENCIES USING PIP3
pip3 install Babel decorator docutils ebaysdk feedparser gevent greenlet html2text Jinja2 lxml Mako MarkupSafe mock num2words ofxparse passlib Pillow psutil psycogreen psycopg2 pydot pyparsing PyPDF2 pyserial python-dateutil python-openid pytz pyusb PyYAML qrcode reportlab requests six suds-jurko vatnumber vobject Werkzeug XlsxWriter xlwt xlrd
# STEP 4
sudo apt-get install -y npm
sudo ln -s /usr/bin/nodejs /usr/bin/node
sudo npm install -g less less-plugin-clean-css
sudo apt-get install node-less
# STEP 5
sudo apt-get install python-software-properties
sudo vim /etc/apt/sources.list.d/pgdg.list
add a line for the repository
deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg main
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo apt-get update
sudo apt-get install postgresql-9.6
# STEP 6 Create Database user for Odoo
sudo su postgres
cd
createuser -s odoo
createuser -s ubuntu_user_name
exit
#STEP 7 Create Odoo user and group
sudo adduser --system --home=/opt/odoo --group odoo
# STEP 8 Install Gdata
cd /opt/odoo
sudo wget https://pypi.python.org/packages/a8/70/bd554151443fe9e89d9a934a7891aaffc63b9cb5c7d608972919a002c03c/gdata-2.0.18.tar.gz
sudo tar zxvf gdata-2.0.18.tar.gz
sudo chown -R odoo: gdata-2.0.18
sudo -s
cd gdata-2.0.18/
python setup.py install
exit
# STEP 9 Odoo 11 Download from GitHub
cd /opt/odoo
sudo apt-get install git
sudo su - odoo -s /bin/bash
git clone https://www.github.com/odoo/odoo --depth 1 --branch 12.0 --single-branch
exit
# STEP 10 Create Odoo Log File
sudo mkdir /var/log/odoo
sudo chown -R odoo:root /var/log/odoo
# STEP 11 Edit Odoo configuration file
sudo gedit/etc/odoo.conf