sc3p73r/network-checker repository overview

⁠📡 Network Checker (Alpine-based)

A lightweight Network Checker container built on Alpine Linux, designed for quick and reliable network connectivity diagnostics in Docker and Kubernetes environments.

⁠This image is ideal for:

Debugging network issues inside containers

Validating DNS, routing, and ICMP connectivity

On-demand troubleshooting in Kubernetes clusters (Pods, Jobs, Ephemeral containers)

⁠🚀 Features

✅ Minimal image size (Alpine Linux)

✅ Includes commonly used network diagnostic tools:

✅ ping (ICMP connectivity)

✅ curl (HTTP/HTTPS testing)

✅ dig / nslookup (DNS checks via bind-tools)

✅ traceroute (network path inspection)

✅ netstat, ifconfig (basic network inspection)

⁠🧰 Included Tools

• Tool Purpose
• ping Test basic network connectivity
• curl Test HTTP/HTTPS endpoints
• dig DNS resolution testing
• nslookup Simple DNS lookup
• traceroute Trace network hops
• ifconfig Interface inspection
• netstat Port and connection inspection
• bash / sh Interactive debugging

⁠🔐 Security

• Runs as a non-root user (appuser)
• No unnecessary packages installed
• Designed for debugging only, not production workloads

⁠▶️ Usage (Docker)

⁠Run Interactive Shell

docker run -it --rm sc3p73r/network-checker:latest

⁠Run with Bash

docker run -it --rm sc3p73r/network-checker:latest bash