niming_backend/app.py

from flask import Flask
from dotenv import load_dotenv
load_dotenv()
import os
from sqlalchemy import create_engine
from pgclass import Base, SQLarticle
# blueprints
from blueprints.article import article

# Global Variables
PG_HOST = os.getenv("PG_HOST")
PG_PORT = os.getenv("PG_PORT")
PG_NAME = os.getenv("PG_NAME")
PG_USER = os.getenv("PG_USER")
PG_PASS = os.getenv("PG_PASS")
JWT_KEY = os.getenv("JWT_KEY")

# Postgresql
engine = create_engine('postgresql+psycopg2://%s:%s@%s:%s/%s'%(PG_USER, PG_PASS, PG_HOST, PG_PORT, PG_NAME))
Base.metadata.create_all(engine)

# shared class
class shared():
    def __init__(self, engine):
        self.engine = engine
        self.SQLarticle = SQLarticle
sh = shared(engine)

# flask app
app = Flask(__name__)
app.config["SECRET_KEY"] = os.urandom(64)
app.shared_resource = sh

# register blueprints
app.register_blueprint(article, url_prefix = "/article")

# index
@app.route("/", methods = ["GET", "POST"])
def index():
    return "Hello, World!"

# app run
if __name__ == "__main__":
    app.run(host="0.0.0.0", port=5000, debug=False)