June 4th, 2026
Petri is live. The core execution engine that powers Jhansi.io.
Create isolated sandboxes via REST API
Run Python, Go, and Node.js code safely in Docker containers
Sandbox registry with domain exceptions
Multi-language support via single exec endpoint
Full test suite with dependency injection
The foundation is solid. v0.2 brings persistent workspaces — upload files once, run many times.