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@ganeshak11/healthcheck

v1.1.0

Published

A rapid diagnostic CLI for DevOps

Vulnerabilities

Powered byPowered by Snyk
  • 0High
  • 0Medium
  • 0Low

Links

Maintainers

ganeshak11ganeshak11

Keywords

Readme

🩺 @ganeshak11/healthcheck

A production-grade, miniature SRE observability CLI tool. It deeply inspects domains and provides a comprehensive diagnostic report covering DNS, SSL, HTTP/2, and Security Posture.

It goes far beyond a simple ping by tracking HTTP redirects, detecting ALPN negotiated protocols, evaluating strict security headers, and calculating an overall Health Score. It is built to be modular, supporting multiple domains and CI/CD pipelines natively.

🚀 Quick Start

Run it instantly against any domain using npx:

npx @ganeshak11/healthcheck google.com

✨ Features

  • DNS Diagnostics: Concurrently resolves IPv4 (A) and IPv6 (AAAA) records.
  • Deep SSL Inspection: Evaluates the SSL Certificate issuer, exact expiry dates, Cipher Suite, and negotiated TLS Version.
  • ALPN HTTP/2 Detection: Injects ALPNProtocols into the TLS socket to natively determine if the server supports HTTP/2 binary framing.
  • Actionable Security Posture: Checks for 6 strict security headers (e.g. Content-Security-Policy, HSTS) and provides clear explanations for why they matter.
  • Smart Scoring Engine: Calculates an Overall Health Score (out of 10) and provides a list of actionable recommendations.
  • CI/CD Ready:
    • Supports --json flag to output raw structured data.
    • Returns standard exit codes (0 for Healthy, 1 for Security warnings, 2 for SSL warnings, 3 for HTTP errors, 4 for DNS failures).
  • Multi-Domain Support: Pass an array of domains to generate a sleek comparative score table.

💻 Usage

Single Domain Inspection

npx @ganeshak11/healthcheck yourdomain.com

Multi-Domain Comparison

npx @ganeshak11/healthcheck google.com github.com example.com

CI/CD JSON Output

npx @ganeshak11/healthcheck yourdomain.com --json

🛠️ Built With

📦 Local Development

  1. Clone the repository
  2. Install dependencies:
    npm install
  3. Compile the TypeScript:
    npm run build
  4. Run the CLI:
    node dist/index.js google.com

Built as part of the Fortis-Tools DevOps toolkit.