RabbitMQ/Celery Messaging System

A Python application with Flask, RabbitMQ, and Celery for asynchronous email sending and logging, deployed behind Nginx.

Features

• 📧 Email Queueing: Send emails asynchronously via Celery/RabbitMQ
• ⏱ Time Logging: Log current timestamp to a file
• 📜 Log Viewer: Access application logs via web endpoint
• 🚀 Nginx Integration: Served behind a production-ready web server
• 🌐 Public Access: Exposed via tunneling (Ngrok/serveo)

Prerequisites

• Python 3.8+
• RabbitMQ server
• Nginx
• SMTP credentials (for email functionality)

Installation

1. Clone the repository:

   git clone https://github.com/YOUR_USERNAME/RabbitMQ-Messaging-System.git
   cd RabbitMQ-Messaging-System
   

2. Set up virtual environment:

python -m venv venv source venv/bin/activate # Linux/Mac venv\Scripts\activate # Windowspython -m venv venv

3. Install dependencies:

   pip install -r requirements.txt
   

Configurations

1. Set up environment variables in .env: SMTP_SERVER=smtp.example.com SMTP_PORT=587 SMTP_USERNAME=your_email@example.com SMTP_PASSWORD=your_password

2. RabbitMQ Setup

   sudo systemctl start rabbitmq-server
   

Running The Application

1. Start Celery Worker:

   celery -A tasks worker --loglevel=info
   

2. Start Flask Application:

   python app.py
   

3. Configure Nginx (sample config in nginx/ directory)

   ngrok http 5000
   

Project Structure

. ├── app.py # Flask application ├── tasks.py # Celery tasks ├── requirements.txt # Dependencies ├── nginx/ # Nginx configuration │ └── messaging_system.conf ├── .env.example # Environment variables template └── /var/log/messaging_system.log # Generated log file

Troubleshooting

. RabbitMQ Not Running:

sudo systemctl status rabbitmq-server

.  Permission denied for log file:
```bash

.  Celery worker not connecting:
Verify RabbitMQ is running and check broker URL in tasks.py