disable the use of env file

app/auth/jwt.py

@@ -2,7 +2,7 @@
 auth/jwt.py
 
 This module is responsible for handling JSON Web Tokens (JWT) for user authentication within the FastAPI application. 
-It utilizes the python-jose library to encode and decode JWT, and python-dotenv to manage environment variables.
+It utilizes the python-jose library to encode and decode JWT.
 
 Functions:
 - create_access_token: Generates a JWT using user data and expiration details.
@@ -18,23 +18,21 @@
 - datetime: A module to work with dates and times.
 - timedelta: A class for representing differences between dates.
 - Optional: A special typing construct to denote optional values.
-- load_dotenv: A function to load environment variables from a file.
 - HTTPException: An exception class for HTTP status codes.
 - os: A module providing a way of using operating system dependent functionality.
 """
 
 from jose import JWSError, jwt
 from datetime import datetime, timedelta
 from typing import Optional
-from dotenv import load_dotenv
 from fastapi import HTTPException
 import os
 
 
 # Retrieve environment variables related to JWT.
-SECRET_KEY = os.getenv("SECRET_KEY")
-ALGORITHM = os.getenv("ALGORITHM")
-ACCESS_TOKEN_EXPIRE_MINUTES = int(os.getenv("ACCESS_TOKEN_EXPIRE_MINUTES"))
+SECRET_KEY = os.environ.get("SECRET_KEY")
+ALGORITHM = os.environ.get("ALGORITHM")
+ACCESS_TOKEN_EXPIRE_MINUTES = int(os.environ.get("ACCESS_TOKEN_EXPIRE_MINUTES"))
 
 def create_access_token(data: dict) -> str:
     """

app/core/db_config.py

@@ -8,8 +8,6 @@
 Classes:
 - DBConfig: Manages database configuration settings and constructs the SQLAlchemy database URI.
 
-Functions:
-- load_dotenv: Loads environment variables from a specified file into the system environment.
 
 Variables:
 - POSTGRES_USER: The username used to authenticate with the PostgreSQL database.
@@ -24,10 +22,9 @@
 
 from pydantic import SecretStr, PostgresDsn
 from pydantic_settings import BaseSettings
-from dotenv import load_dotenv
 
-# Load environment variables from the specified file.
-load_dotenv("environments/db.env")
+import os
+
 
 class DBConfig(BaseSettings):
     """
@@ -46,17 +43,13 @@ class DBConfig(BaseSettings):
     - sqlalchemy_database_uri(self) -> str: Constructs and returns the SQLAlchemy database URI.
     """
 
-    POSTGRES_USER: str
-    POSTGRES_PASSWORD: SecretStr
-    POSTGRES_HOST: str
-    POSTGRES_DB: str
+    POSTGRES_USER: str = os.environ.get("POSTGRES_USER")
+    POSTGRES_PASSWORD: SecretStr = SecretStr(os.environ.get("POSTGRES_PASSWORD"))
+    POSTGRES_HOST: str = os.environ.get("POSTGRES_HOST")
+    POSTGRES_DB: str = os.environ.get("POSTGRES_DB")
 
     SQLALCHEMY_DATABASE_URI: PostgresDsn = "postgresql://none:none@none:5432/none"
 
-    class Config:
-        # Specify the file path for environment variables.
-        env_file = "environments/db.env"
-
     @property
     def sqlalchemy_database_uri(self) -> str:
         """