I just made my own devcontainer that I copy on any project and load whatever harness I want in that repo. Harnesss' config and auth are simply mounted from the host, so no setup required at all.
https://github.com/iodize6399/ai-devcontainer/tree/main/.dev...
Yeah I also recently started using devcontainers for this
I quite like the 'features' layer system, adding extra tools to container in a declarative plugin-like way
Being able to 'safely' run with skip permissions has been a gamechanger
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yeah, I actually just re-use claude-code .devcontainer: https://github.com/anthropics/claude-code/tree/main/.devcont...
I especially like the firewall it has.