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+# Frontend
+
+## Environment Configuration
+
+In order to manage different configurations for development and production environments, Angular uses the `environment.ts` and `environment.prod.ts` files.
+
+### Step 1: Creating environment files
+
+You need to create the following files in the `src/environments/` directory:
+
+- `environment.ts` for development
+- `environment.prod.ts` for production
+
+### Step 2: Add baseUrl and guest account
+
+In the `environment.ts` & `environment.prod.ts` file, add the following content:
+
+````typescript
+export const environment = {
+  production: false,
+  baseUrl: 'YOUR_API_URL_HERE',
+
+  // Guest account
+  guestMail: 'YOUR_GUEST_EMAIL_HERE',
+  guestPassword: 'YOUR_GUEST_PASSWORD_HERE',
+};
+````
+
+# Backend
+
+## Env Configuration
+
+To set the mail configuration for the backend, you must create an `.env` file in the root directory of your project. This file should have the following content:
+
+### Step 1: Creating the `.env` file
+
+Create a file named `.env` in the root directory of the project.
+
+### Step 2: Add the e-mail configuration
+
+Open the `.env` file and add the following lines:
+
+````env
+EMAIL_HOST_USER=example@gmail.com
+EMAIL_HOST_PASSWORD=password
+
+````