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This release is a pre-release and may not be stable for production use.

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Casals

The canister lifecycle orchestrator for the Internet Computer, for teams that run a fleet of canisters in production: one large application, or the same app for many owners.

Casals runs on-chain. Its conductor canister creates, upgrades, snapshots, rolls back and tops up the canisters it controls. The dashboard and the casals CLI are thin clients.

An orchestra of sections, stands and canisters

An orchestra is everything one conductor runs. A section groups stands; a stand is one instance, such as a customer's backend and frontend, upgraded and rolled back as a unit. Commanders hold scoped permissions on the orchestra, a section or a stand.

One sheet, one command Each tenant approves its upgrades Atomic group upgrades
casals up builds the sheet Tenant batons approve or decline Snapshot, install, verify, roll back

Quick start

Needs Python 3.10+ and icp-cli.

pip install ic-casals
casals init hello-world
casals up hello-world --yes --local

Learn more

Website · Live demo · Sheet schema · Operations · Design rationale · API · Contributing · @ic_casals

Alpha software: not audited and not production-ready. Report vulnerabilities privately (SECURITY.md). MIT licence.

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