Dev.to
5/11/2026

Building a Self-Service Sandbox Platform from Scratch
Short summary
A detailed technical walkthrough of building a self-service sandbox platform from scratch as part of a DevOps internship. The platform enables users to spin up isolated Docker environments with automatic cleanup, dynamic Nginx routing, health monitoring, and chaos engineering capabilities on a single Linux VM. Includes practical patterns for atomic writes, container networking, and proper Nginx configuration reloading.
- •Complete platform engineering tutorial covering Docker, Nginx, and system design
- •Practical patterns: atomic file writes, container networking, service lifecycle management
- •Includes implementation details from repo structure to health monitoring and outage simulation
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