SSL Certificate Monitor (to check a validity date on the domen's)

Description

A lightweight, automated tool for monitoring SSL certificate expiration dates across multiple domains. The application provides clear, color-coded alerts for certificate status and approaching expiration dates, enabling proactive certificate management and preventing unexpected SSL certificate expirations. Designed with security best practices, the tool uses environment variables for sensitive data management and provides an easily extensible structure for monitoring additional domains.

Key Features

Real-time certificate expiration monitoring

Color-coded expiration alerts (30-day and 7-day warnings)

Secure configuration management

Support for multiple domains and subdomains

Human-readable date formatting

Graceful error handling

Technology Stack

Runtime Environment: Node.js

// README.md

# SSL Certificate Expiry Checker

A simple Node.js script to check SSL certificate expiry dates for multiple domains.

## Setup

## Environment Variables

- `DOMAIN_1`: First domain name

- `DOMAIN_1_CERT_PATH`: Path to first domain's certificate

- `DOMAIN_2`: Second domain name

- `DOMAIN_2_CERT_PATH`: Path to second domain's certificate

1. Install dependencies:

\```

npm install

\```

2. Configure environment variables:

- Copy `.env.example` to `.env`

- Update the values in `.env` with your domain names and certificate paths

## Usage

Run the script using:

\```

npm start

\```