pip install python-decouple
DEBUG=True
DATABASE_HOST=localhost
DATABASE_PORT=5432
python
from decouple import config
debug = config("DEBUG", default=False, cast=bool)
pip install Flask
python
from flask import Flask
from decouple import config
app = Flask(__name__)
@app.route("/")
def hello():
debug = config("DEBUG", default=False, cast=bool)
database_host = config("DATABASE_HOST")
database_port = config("DATABASE_PORT", default=5432, cast=int)
return f"Debug mode: {debug}, Database host: {database_host}, Database port: {database_port}"
if __name__ == "__main__":
app.run()
DEBUG=True
DATABASE_HOST=localhost
DATABASE_PORT=5432
python app.py
