Files
windmill/backend
Ruben FiszelandClaude Opus 4.6 430622261f feat(backend): add sandbox SDK for long-lived nsjail sandbox environments
Add interactive, long-lived sandbox management to Windmill with two
deployment modes (embedded on worker, remote on dedicated hosts).

- Database schema: sandbox, sandbox_exec, sandbox_host tables
- windmill-sandbox crate: core nsjail process manager (create, exec via
  nsenter, suspend/resume via SIGSTOP/SIGCONT, file I/O)
- windmill-api-sandbox crate: REST API for sandbox CRUD and operations
- Embedded sandbox HTTP server for worker-local sandbox access
- Monitor integration for cleanup of expired/idle/orphaned sandboxes
- Python SDK: Sandbox class with exec, suspend, resume, terminate, file ops

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Windmill Backend

This folder holds all backend components, the src/ folder only contains files used to build the "root" binary.

Components

name description
windmill-api The API server, exposing functionality to other components and the frontend
windmill-audit Contains audit functionality, allowing different components to record important actions
windmill-common Common code shared by all crates
windmill-queue Contains job & flow queuing functionality, commonly written to by the API server and read from by workers
windmill-worker The worker. Used to process and execute flows & jobs.
parsers Contains code to parse signatures in different langauges.

Compile sqlx for offline ci

cargo sqlx prepare --workspace -- --bin windmill --features enterprise