🔒 Security Enhancement: Comprehensive Security Configuration Update

.env.example

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+# AWS Configuration
+AWS_ACCESS_KEY_ID=your_aws_access_key_here
+AWS_ACCESS_SECRET_KEY=your_aws_secret_key_here
+MWS_AUTH_TOKEN=your_mws_auth_token_here
+
+# Google Configuration
+GCP_PRIVATE_KEY_ID=your_gcp_private_key_id_here
+GCP_PRIVATE_KEY=your_gcp_private_key_here
+GOOGLE_API_KEY=your_google_api_key_here
+GOOGLE_CAPTCHA_KEY=your_google_captcha_key_here
+
+# Github Configuration
+GITHUB_KEY=your_github_key_here
+GITHUB_CLIENT_ID=your_github_client_id_here
+GITHUB_APP_SECRET=your_github_app_secret_here
+GITHUB_OAUTH_CLIENT_ID=your_github_oauth_client_id_here
+GITHUB_OAUTH_SECRET=your_github_oauth_secret_here
+
+# Slack Configuration
+SLACK_CLIENT_ID=your_slack_client_id_here
+SLACK_CLIENT_SECRET=your_slack_client_secret_here
+SLACK_SIGNING_SECRET=your_slack_signing_secret_here
+SLACK_APP_TOKEN=your_slack_app_token_here
+SLACK_OAUTH_ACCESS_TOKEN=your_slack_oauth_access_token_here
+SLACK_WEBHOOK=your_slack_webhook_here
+
+# Stripe Configuration
+STRIPE_SECRET_KEY=your_stripe_secret_key_here
+STRIPE_PUBLISHABLE_KEY=your_stripe_publishable_key_here
+STRIPE_RESTRICTED_KEY=your_stripe_restricted_key_here
+
+# Facebook Configuration
+FACEBOOK_ACCESS_TOKEN=your_facebook_access_token_here
+
+# Square Configuration
+SQUARE_ACCESS_TOKEN=your_square_access_token_here
+SQUARE_OAUTH_SECRET=your_square_oauth_secret_here
+
+# Paypal Configuration
+PAYPAL_BRAINTREE_ACCESS_TOKEN=your_paypal_braintree_access_token_here
+
+# Twilio Configuration
+TWILIO_API_KEY=your_twilio_api_key_here
+TWILIO_ACCOUNT_SID=your_twilio_account_sid_here
+TWILIO_APP_SID=your_twilio_app_sid_here
+
+# Mailgun Configuration
+MAILGUN_API_KEY=your_mailgun_api_key_here
+
+# Database Configuration
+DATABASE_PASSWORD=your_database_password_here
+REDIS_PASSWORD=your_redis_password_here
+POSTGRES_PASSWORD=your_postgres_password_here
+
+# Application Configuration
+PASSWORD=your_password_here
+APP_SECRET=your_app_secret_here
+API_KEY=your_api_key_here
+APIKEY=your_apikey_here
+ACCESS_TOKEN=your_access_token_here
+
+# Generic Secrets
+SOURCE_1=your_source_1_here
+SOURCE_2=your_source_2_here
+SOURCE_3=your_source_3_here
+SOURCE_4=your_source_4_here
+SOURCE_5=your_source_5_here
+SOURCE_6=your_source_6_here
+SOURCE_7=your_source_7_here
+
+# Flask Configuration
+FLASK_DEBUG=False
+FLASK_SECRET_KEY=your_flask_secret_key_here

.gitignore

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+# Environment variables
+.env
+.env.local
+.env.*.local
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# Virtual Environment
+venv/
+ENV/
+env/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db

SECURITY.md

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+# Security Policy
+
+## Security Improvements Made
+
+This repository has been updated to address critical security vulnerabilities:
+
+### 1. Hardcoded Secrets Removed
+- **Issue**: API keys, passwords, and other sensitive credentials were hardcoded in source code
+- **Fix**: All hardcoded secrets have been replaced with environment variables using `python-dotenv`
+- **Files Modified**: 
+  - `config.py` - All hardcoded credentials replaced with `os.getenv()` calls
+  - `main.py` - All hardcoded API keys and passwords replaced with environment variables
+
+### 2. Debug Mode Disabled
+- **Issue**: Flask application was running with `debug=True` in production
+- **Fix**: Debug mode is now controlled via `FLASK_DEBUG` environment variable and defaults to `False`
+- **File Modified**: `main.py`
+
+### 3. Configuration Management
+- **New Files**:
+  - `.env.example` - Template for environment variables
+  - `.gitignore` - Ensures `.env` files are not committed to version control
+  - `SECURITY.md` - This file documenting security improvements
+
+## Setup Instructions
+
+### 1. Install Dependencies
+```bash
+pip install -r requirements.txt
+```
+
+### 2. Configure Environment Variables
+```bash
+# Copy the example environment file
+cp .env.example .env
+
+# Edit .env with your actual credentials (NEVER commit this file!)
+nano .env
+```
+
+### 3. Run the Application
+```bash
+python main.py
+```
+
+## Environment Variables Required
+
+The following environment variables must be configured in your `.env` file:
+
+### AWS Configuration
+- `AWS_ACCESS_KEY_ID`
+- `AWS_ACCESS_SECRET_KEY`
+- `MWS_AUTH_TOKEN`
+
+### Google Configuration
+- `GCP_PRIVATE_KEY_ID`
+- `GCP_PRIVATE_KEY`
+- `GOOGLE_API_KEY`
+- `GOOGLE_CAPTCHA_KEY`
+
+### GitHub Configuration
+- `GITHUB_KEY`
+- `GITHUB_CLIENT_ID`
+- `GITHUB_APP_SECRET`
+- `GITHUB_OAUTH_CLIENT_ID`
+- `GITHUB_OAUTH_SECRET`
+
+### Slack Configuration
+- `SLACK_CLIENT_ID`
+- `SLACK_CLIENT_SECRET`
+- `SLACK_SIGNING_SECRET`
+- `SLACK_APP_TOKEN`
+- `SLACK_OAUTH_ACCESS_TOKEN`
+- `SLACK_WEBHOOK`
+
+### Stripe Configuration
+- `STRIPE_SECRET_KEY`
+- `STRIPE_PUBLISHABLE_KEY`
+- `STRIPE_RESTRICTED_KEY`
+
+### Facebook Configuration
+- `FACEBOOK_ACCESS_TOKEN`
+
+### Square Configuration
+- `SQUARE_ACCESS_TOKEN`
+- `SQUARE_OAUTH_SECRET`
+
+### PayPal Configuration
+- `PAYPAL_BRAINTREE_ACCESS_TOKEN`
+
+### Twilio Configuration
+- `TWILIO_API_KEY`
+- `TWILIO_ACCOUNT_SID`
+- `TWILIO_APP_SID`
+
+### Mailgun Configuration
+- `MAILGUN_API_KEY`
+
+### Database Configuration
+- `DATABASE_PASSWORD`
+- `REDIS_PASSWORD`
+- `POSTGRES_PASSWORD`
+
+### Application Configuration
+- `PASSWORD`
+- `APP_SECRET`
+- `API_KEY`
+- `APIKEY`
+- `ACCESS_TOKEN`
+- `FLASK_SECRET_KEY`
+- `FLASK_DEBUG` (set to `False` in production)
+
+### Generic Secrets
+- `SOURCE_1` through `SOURCE_7`
+
+## Security Best Practices
+
+1. **Never commit `.env` files** - They contain sensitive credentials
+2. **Rotate credentials regularly** - Change API keys and passwords periodically
+3. **Use strong, unique passwords** - Avoid weak passwords like "password" or "admin"
+4. **Keep dependencies updated** - Regularly update Python packages for security patches
+5. **Disable debug mode in production** - Always set `FLASK_DEBUG=False`
+6. **Use HTTPS** - Always use encrypted connections for API requests
+7. **Implement proper authentication** - Use secure authentication mechanisms
+8. **Apply principle of least privilege** - Grant only necessary permissions
+
+## Reporting Security Issues
+
+If you discover a security vulnerability, please report it to the repository maintainers immediately. Do not create public issues for security vulnerabilities.
+
+## Compliance
+
+This security fix addresses the following vulnerability types:
+- CWE-798: Use of Hard-coded Credentials
+- CWE-489: Active Debug Code
+- CWE-200: Exposure of Sensitive Information
+
+## Version History
+
+- **v2.0** (2025-10-26): Security hardening - Removed all hardcoded secrets, disabled debug mode
+- **v1.0** (original): Initial version with hardcoded credentials (vulnerable)