Backend-Template/Config/__init__.py

# THIRD PARTY
from flask import Flask
from flask_cors import CORS
from flask_sqlalchemy import SQLAlchemy
from flask_jwt_extended import JWTManager, create_access_token
from flask_marshmallow import Marshmallow

# CONSTANTS IMPORT
from .Constants import constants

app = Flask(__name__, template_folder='../templates') # App initialization

# DB URI
uri = "mysql+pymysql://"+constants["mysql"]["user"]+":"+constants["mysql"]["password"]+"@"+constants["mysql"]["host"]+"/"+constants["mysql"]["db_name"]+"?&autocommit=false"

# APP CONFIGURATIONS
app.config["SQLALCHEMY_DATABASE_URI"] = uri
app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
app.config["JWT_SECRET_KEY"] = "use-a-secret-key"

# INSTANCES
cors = CORS(app)
db = SQLAlchemy(app)
jwt = JWTManager(app)
ma = Marshmallow(app)