[add]: Database connection and migrations

README.md

@@ -20,25 +20,39 @@ cd repository
 ```
 
 
-### 2. Create a `.env` File
+### 2. Configure Environment Variables
 
-Before running the application, create a `.env` file in the root directory and add the required environment variables:
+Instead of creating a new `.env` file, rename the provided `.env.example` file and update the necessary variables:
 
 ```bash
-touch .env
+cp .env.example .env
 ```
 
-Then, open the `.env` file and add the following:
+Then, open the `.env` file and **update the following variables with your actual configuration:**
 
-```ini
-# Environment Variables
-BASIC_AUTH_USERNAME=user
-BASIC_AUTH_PASSWORD=password
-SWAGGER_URL="/documentation"
-API_URL="/swagger.json"
+- Database credentials:
+  ```ini
+  DATABASE_USER=your_database_username
+  DATABASE_PASSWORD=your_database_password
+  DATABASE_NAME=your_database_name
+  DATABASE_PORT=5432
+  ```
+- App ID and API Key:
+  ```ini
+  APP_ID=your_app_id
+  API_KEY=your_api_key
+  ```
+
+This ensures that the application is properly configured with your environment variables.
+
+> **Optional:** Change file permissions for the entrypoint script
+
+```bash
+chmod +x scripts/entrypoint.sh
 ```
 
-This ensures that the application uses secure API keys and app IDs.
+---
+
 
 ### 3. Run the Application with Docker Compose