Create a config file using dotenv

.gitignore

@@ -5,3 +5,4 @@ env/
 **/__pycache__
 .vscode
 Pipfile*
+database.db

README.md

@@ -9,22 +9,40 @@ screenshots from Chrome and add them to the backend.
 
 1. Fork/Clone
 
-1. Create and activate a virtual environment:
+2. Create and activate a virtual environment:
 
     ```sh
     $ python3 -m venv venv && source venv/bin/activate
     ```
 
-1. Install the requirements:
+3. Install the requirements:
 
     ```sh
     (venv)$ pip install -r requirements.txt
     ```
 
-1. Run the app:
+4. Create a `.env` file in the root folder and add the following configuration:
+
+    ```sh
+    JWT_SECRET="some random secret key"
+    JWT_ALGORITHM="HS256"
+    DB_URL="sqlite:///database.db"
+    ```
+
+5. Run the app:
 
     ```sh
     (venv)$ python main.py
     ```
 
-1. Test at [http://localhost:8081/docs](http://localhost:8081/docs)
+6. Test at [http://localhost:8081/docs](http://localhost:8081/docs)
+
+**Note**: the random secret `JWT_SECRET` can be generated for example 
+using a command like this one:
+
+```sh
+openssl rand -hex 32
+```
+
+Feel free to change any of the configuration variables in `.env` to
+match your needs.

app/auth/auth_handler.py

@@ -1,4 +1,4 @@
-import time
+import os
 from typing import Dict, Annotated
 from datetime import datetime, timedelta, timezone
 from typing import Union
@@ -12,8 +12,8 @@
 import app.auth.crypto as crypto
 
 
-JWT_SECRET = "96706f2fb5daf56405a9f2554399e53e93fe2b5f22c1b6bfc48c1d1f77a79151"
-JWT_ALGORITHM = "HS256"
+JWT_SECRET = os.getenv("JWT_SECRET")
+JWT_ALGORITHM = os.getenv("JWT_ALGORITHM")
 
 oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
 

app/model.py

@@ -1,13 +1,14 @@
+import os
 from pydantic import BaseModel, Field, EmailStr
 from typing import Optional, Union
 
 from sqlmodel import Field, Session, SQLModel, Relationship, create_engine
 
-sqlite_file_name = "database.db"
-sqlite_url = f"sqlite:///{sqlite_file_name}"
-
 connect_args = {"check_same_thread": False}
-engine = create_engine(sqlite_url, echo=True, connect_args=connect_args)
+engine = create_engine(
+    os.getenv("DB_URL"),
+    echo=True,
+    connect_args=connect_args)
 
 def get_db_session():
     with Session(engine) as session:

main.py

@@ -1,4 +1,6 @@
 import uvicorn
+from dotenv import load_dotenv
 
 if __name__ == "__main__":
+    load_dotenv()
     uvicorn.run("app.api:app_obj", host="0.0.0.0", port=8081, reload=True)

requirements.txt

@@ -5,4 +5,5 @@ python-decouple==3.8
 uvicorn==0.29.0
 sqlmodel==0.0.19
 passlib==1.7.4
-bcrypt==4.1.3
+bcrypt==4.1.3
+python-dotenv==1.0.1