# 2026-05-19-tool-instances/specs
dir: 2026-05-19-tool-instances/specs

index: 2026-05-19-tool-instances/specs/.pi-map.index.md

## role
Defines technical specifications for a Docker-based tool instance management system handling container lifecycle and status tracking.
## files
- spec.md | Defines technical specifications for a tool instance management system that creates, monitors, and controls Docker containers for user sessions with lifecycle operations and status tracking. | dep: Docker, PostgreSQL, REST API, Git repositories, template engine
## arch
Specification-driven architecture with lifecycle state management (create/monitor/control) for session-isolated container orchestration.
## tags
docker, spec, defines, technical, specifications, tool, instance, management
## symbols
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## workflows
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## dirty
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