Sandbox templates: content-keyed records, derived-image strategies, template forks, GC - #16

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czpython merged 19 commits into

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commonzenpython/eng-877-sandbox-templates

Aug 26, 2026

Commits on Aug 24, 2026

ENG-877 - Sandbox templates are records: async create, poll to available

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ENG-878 - Derived-image template strategy for exe, docker, docker-sbx

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ENG-879 - create_host forks from an available template

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ENG-880 - Template GC: templates outlive hosts and get their own reaping

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Commits on Aug 25, 2026

Commits on Aug 26, 2026

EXE_IMAGE_REGISTRY, and the GC knobs are plain seconds

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Drop the tests that test the framework

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Template.image, not handle; fold the one-function deps module

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Naming pass: providers build template images, the hash says what it hashes

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derived_image lives in the docker package

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providers/docker/images.py, not derived_image.py

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DockerAPI speaks the Engine API through aiodocker, not the docker CLI

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Error translation reads at the call site, not through a context manager

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_get_client, and one noun for the image ref

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The template janitor is one UPDATE, one SELECT, one loop

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CI knows the templates surface and stops expecting the docker binary

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