HighSpeed1380 / Klevere-backend

Klevere Backend

• Integrated ChatGPT API for Chat bot
• Flask MVC Pattern
• PostgreSQL ORM
• Authentication with JWT token

Installation

Set up Python Environment

• Install Python here
• Set up Python Virtual Environment and Activate

python -m venv venv

.\venv\Scripts\activate
source ./venv/Scripts/activate

• Install required Libraries

pip install -r requirements.txt

Set up PostgreSQL Database Environment

• Install PostgreSQL here (Remember Username, Password, Port)

Set Environment Variables

• .env

Variable	Explanation
OPENAI_APIKEY	Your OpenAI API Key for ChatGPT
DB_NAME	Database Name
DB_PASSWORD	Database Password
DB_USERNAME	Database Username
DB_HOST	Database Server Host
DB_PORT	Database Server Port

If server does not run, you can do it

• initdb -D "C:\PostgreSql\15\data" -U postgres

• pg_ctl start -D "C:\PostgreSql\15\data"

• pg_ctl register -N PostgreSql-12.3.1 -D "C:\PostgreSql\15\data"

If you need to use another Database server, then change SQLALCHEMY_DATABASE_URI variable in config.py to yours.

• .flaskenv

Variable	Explanation
FLASK_APP	Flask application
FLASK_ENV	Running Mode
FLASK_DEBUG	Enable Debugging mode
FLASK_RUN_EXTRA_FILES	Don't Restart application when files changed
FLASK_RUN_HOST	Host IP address
FLASK_RUN_PORT	Port

Initial Database Migration

flask db init

flask db migrate

flask db upgrade

Run Server

flask run

Get all modules

pip freeze > requirements.txt