Use docker-compose

go to project folder and then: $ docker-compose up

Will run four containers: api - python Flask API postgres - DB postgreSQL

For postgres will also execute pgconfig/init_db.sql. The script contains Schema of DB recommendation with small sample data.

TEst to push

Used libs for API:

* json
* sys, os, io, base64

[requirements.txt]
* werkzeug==0.16.0 
* Flask==1.1.1
* Flask-HTTPAuth==3.3.0
* Flask_restx==0.1.1
* psycopg2-binary==2.8.4
* numpy
* pandas
* scikit-learn

----- Manual run without docker-compose

For developing API

Before

Create and activate virtual environment with python 3.6+

* If "virtualenv" not istalled before:
	$ python3 -m pip install --user virtualenv

* In main folder run below commands:
	$ python3 -m venv api
	$ cd api/
	$ source bin/activate

Install the requirements $ pip install -r requirements.txt

Run Flask RESTful $ export FLASK_APP=project/init.py $ export PG_HOST=127.0.0.1 $ export PG_DB=postgres $ export PG_USER=api_user $ export PG_PASS=api$pass $ python manage.py run

Usage API service

#### Test page "/ping"
$ curl http://localhost:5000/ping
	output: {"status": "success  ", "message": "pong!"}

#### Default token auth (stored into Database)
-H 'Authorization: Token tokenTest1'

#### page "/classify"
$ curl http://localhost:5000/classify -H 'Authorization: Token tokenTest1'
	output: { "predicted_class": "1.0", "status": "OK"}
#### page "/stats"
$ curl http://localhost:5000/stats -H 'Authorization: Token tokenTest1'
    output: {"mean_f1": 0.25, "mean_f2": 0.33, "most_frequent_f3": "A"}

Stop API service

For deactivate virtual environment just type: $ deactivate