>installing ultering sequelize tutorial
- URLs:
https://ultering.com/it4us/?p=2010
https://ultering.com/it4us/?p=2870
https://ultering.com/it4us/?p=6999

0. Make sure that your env has the following installations and versions:
Node: 16.13.1
or Node: 16.X
Package Manager: npm 8.X

1. install express
npm install -g express
@SEE: 
@@sgene123~+;<howto<express<debian: install;.

2. download 4th step from github
@AT: link at: https://ultering.com/it4us/?p=6999
- github:
git clone https://github.com/alsdias/node_sequelize_ultering_ml40643_4th_step

3. creating the node_modules
@NOTE: If already has a node_modules, just move it.

cd node_sequelize_ultering_ml40643_4th_step
cd node
npm install --save express express-generator
- linux (debian10) not available, discarded:
!node_modules/binexpress -e -f
npm install --save nodemon
npm install --save sequelize sequelize-cli
npm install --save pg pg-hstore
npm install --save sequelize sequelize-cli dotenv
npm install --save serve-favicon
npm install --save http-errors
npm audit fix --force

4. create a *nix version of run.bat
vim st
#export APP_ENV=dev
export APP_ENV=cloud
export DEBUG=node:*
npm run nodemon

chmod 777 st

5. configure database.
- configuration available at:
n;ultering: sequelize tutorial ml40643<memo<node;.
- edit config/config.json:
vim config/config.json


6. start database if desired to use local
- log as postgres:
su postgres

- start service:
  service postgresql start

- To verify the installation we'll connect to the PostgreSQL database server using the psql utility and print the server version:
  psql -c "SELECT version();"

  *or if not logged as postgres:*
  sudo -u postgres psql -c "SELECT version();"

- create the database:
psql
create database rin544_dev;
\l
\q

- Return to root:
  exit

7. run.
./st


8. Point to:
http://localhost:3000/
- internally it is working on 5000 port.

9. to check the database using you db client.
The "user" table was created and it is empty.
select * from "user";

10. Using ElelephantSQL  cloud service (just works up to the 3rd step, the 4th requires more connections that are not available for the free plan):
https://www.elephantsql.com
Note: you may choose the database. The tutorial uses "rin544".
if using ElelephantSQL, has no difference the database name. It uses the username.