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Use a devcontainer. Claude Code's repo has one built specifically for it: https://github.com/anthropics/claude-code/tree/main/.devcontainer https://github.com/

• avsm 8mo ago
  The Claude Code devcontainer works really well, especially the firewalling script! I had do a bit of GitHub Actions spelunking to figure out how to build binary images (with my own devtools preinstalled), which I wrote up here: https://anil.recoil.org/notes/ocaml-claude-dev https://anil.recoil.org/notes/ocaml-claude-dev With this I have a nice loop where I get Claude to analyse its own sessions via a cronjob and rewrite my devcontainer Dockerfile to have any packages that I've started using during the interactive sessions. This rebuilds via GHActions and my fresh image the next day has an updated Claude and dev environment in a sandbox.